<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with Wdesk from Workiva, formerly WebFilings-->
<!-- -->
<linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <roleRef roleURI="http://www.qualys.com/role/AccumulatedOtherComprehensiveIncomeLossDetails" xlink:href="qlys-20140630.xsd#AccumulatedOtherComprehensiveIncomeLossDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/AccumulatedOtherComprehensiveIncomeLossNotes" xlink:href="qlys-20140630.xsd#AccumulatedOtherComprehensiveIncomeLossNotes" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/AccumulatedOtherComprehensiveIncomeLossTables" xlink:href="qlys-20140630.xsd#AccumulatedOtherComprehensiveIncomeLossTables" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/CommitmentsAndContingencies" xlink:href="qlys-20140630.xsd#CommitmentsAndContingencies" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/CommitmentsAndContingenciesLeaseNarrativeDetails" xlink:href="qlys-20140630.xsd#CommitmentsAndContingenciesLeaseNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/CommitmentsAndContingenciesSalesAndOtherTaxesDetails" xlink:href="qlys-20140630.xsd#CommitmentsAndContingenciesSalesAndOtherTaxesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/CommitmentsAndContingenciesScheduleOfLeasesDetails" xlink:href="qlys-20140630.xsd#CommitmentsAndContingenciesScheduleOfLeasesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/CommitmentsAndContingenciesTables" xlink:href="qlys-20140630.xsd#CommitmentsAndContingenciesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/CompanyAndSummaryOfSignificantAccountingPolicies" xlink:href="qlys-20140630.xsd#CompanyAndSummaryOfSignificantAccountingPolicies" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/CompanyAndSummaryOfSignificantAccountingPoliciesDetails" xlink:href="qlys-20140630.xsd#CompanyAndSummaryOfSignificantAccountingPoliciesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/CompanyAndSummaryOfSignificantAccountingPoliciesPolicies" xlink:href="qlys-20140630.xsd#CompanyAndSummaryOfSignificantAccountingPoliciesPolicies" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/CondensedConsolidatedBalanceSheets" xlink:href="qlys-20140630.xsd#CondensedConsolidatedBalanceSheets" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/CondensedConsolidatedBalanceSheetsParenthetical" xlink:href="qlys-20140630.xsd#CondensedConsolidatedBalanceSheetsParenthetical" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/CondensedConsolidatedStatementsOfCashFlows" xlink:href="qlys-20140630.xsd#CondensedConsolidatedStatementsOfCashFlows" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome" xlink:href="qlys-20140630.xsd#CondensedConsolidatedStatementsOfComprehensiveIncome" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeParenthetical" xlink:href="qlys-20140630.xsd#CondensedConsolidatedStatementsOfComprehensiveIncomeParenthetical" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/CondensedConsolidatedStatementsOfOperations" xlink:href="qlys-20140630.xsd#CondensedConsolidatedStatementsOfOperations" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/DocumentAndEntityInformation" xlink:href="qlys-20140630.xsd#DocumentAndEntityInformation" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/FairValueOfFinancialInstruments" xlink:href="qlys-20140630.xsd#FairValueOfFinancialInstruments" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/FairValueOfFinancialInstrumentsCashAndCashEquivalentsAvailableForSaleSecuritiesReconciliationDetails" xlink:href="qlys-20140630.xsd#FairValueOfFinancialInstrumentsCashAndCashEquivalentsAvailableForSaleSecuritiesReconciliationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/FairValueOfFinancialInstrumentsContractualMaturityDetails" xlink:href="qlys-20140630.xsd#FairValueOfFinancialInstrumentsContractualMaturityDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/FairValueOfFinancialInstrumentsDerivativesDetails" xlink:href="qlys-20140630.xsd#FairValueOfFinancialInstrumentsDerivativesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/FairValueOfFinancialInstrumentsFairValueHierarchyDetails" xlink:href="qlys-20140630.xsd#FairValueOfFinancialInstrumentsFairValueHierarchyDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/FairValueOfFinancialInstrumentsTables" xlink:href="qlys-20140630.xsd#FairValueOfFinancialInstrumentsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/GoodwillAndIntangibleAssetsNet" xlink:href="qlys-20140630.xsd#GoodwillAndIntangibleAssetsNet" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/GoodwillAndIntangibleAssetsNetDetails" xlink:href="qlys-20140630.xsd#GoodwillAndIntangibleAssetsNetDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/GoodwillAndIntangibleAssetsNetFutureAmortizationDetails" xlink:href="qlys-20140630.xsd#GoodwillAndIntangibleAssetsNetFutureAmortizationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/GoodwillAndIntangibleAssetsNetTables" xlink:href="qlys-20140630.xsd#GoodwillAndIntangibleAssetsNetTables" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/IncomeTaxes" xlink:href="qlys-20140630.xsd#IncomeTaxes" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/IncomeTaxesDetails" xlink:href="qlys-20140630.xsd#IncomeTaxesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/NetIncomePerShare" xlink:href="qlys-20140630.xsd#NetIncomePerShare" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/NetIncomePerShareDetails" xlink:href="qlys-20140630.xsd#NetIncomePerShareDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/NetIncomePerShareTables" xlink:href="qlys-20140630.xsd#NetIncomePerShareTables" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/OtherIncomeExpenseNet" xlink:href="qlys-20140630.xsd#OtherIncomeExpenseNet" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/OtherIncomeExpenseNetDetails" xlink:href="qlys-20140630.xsd#OtherIncomeExpenseNetDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/OtherIncomeExpenseNetTables" xlink:href="qlys-20140630.xsd#OtherIncomeExpenseNetTables" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/PropertyAndEquipmentNet" xlink:href="qlys-20140630.xsd#PropertyAndEquipmentNet" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/PropertyAndEquipmentNetDetails" xlink:href="qlys-20140630.xsd#PropertyAndEquipmentNetDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/PropertyAndEquipmentNetTables" xlink:href="qlys-20140630.xsd#PropertyAndEquipmentNetTables" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/SegmentInformationAndInformationAboutGeographicArea" xlink:href="qlys-20140630.xsd#SegmentInformationAndInformationAboutGeographicArea" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/SegmentInformationAndInformationAboutGeographicAreaDetails" xlink:href="qlys-20140630.xsd#SegmentInformationAndInformationAboutGeographicAreaDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/SegmentInformationAndInformationAboutGeographicAreaTables" xlink:href="qlys-20140630.xsd#SegmentInformationAndInformationAboutGeographicAreaTables" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/StockBasedCompensation" xlink:href="qlys-20140630.xsd#StockBasedCompensation" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/StockBasedCompensationExpenseDetails" xlink:href="qlys-20140630.xsd#StockBasedCompensationExpenseDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/StockBasedCompensationFairValueAssumptionsStockOptionsDetails" xlink:href="qlys-20140630.xsd#StockBasedCompensationFairValueAssumptionsStockOptionsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/StockBasedCompensationRestrictedStockDetails" xlink:href="qlys-20140630.xsd#StockBasedCompensationRestrictedStockDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/StockBasedCompensationStockOptionPlanActivityDetails" xlink:href="qlys-20140630.xsd#StockBasedCompensationStockOptionPlanActivityDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/StockBasedCompensationStockOptionsDetails" xlink:href="qlys-20140630.xsd#StockBasedCompensationStockOptionsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.qualys.com/role/StockBasedCompensationTables" xlink:href="qlys-20140630.xsd#StockBasedCompensationTables" xlink:type="simple" />
  <roleRef roleURI="http://www.xbrl.org/2009/role/negatedLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel" xlink:type="simple" />
  <roleRef roleURI="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel" xlink:type="simple" />
  <roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel" xlink:type="simple" />
  <roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel" xlink:type="simple" />
  <roleRef roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel" xlink:type="simple" />
  <roleRef roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel" xlink:type="simple" />
  <roleRef roleURI="http://www.xbrl.org/2009/role/netLabel" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel" xlink:type="simple" />
  <presentationLink xlink:role="http://www.qualys.com/role/AccumulatedOtherComprehensiveIncomeLossDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityAbstract" xlink:label="loc_us-gaap_EquityAbstract_B2E3E2ECD272B4EB6AFCAFF8499A25C8" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax_AF139BE58DA218CCFDE5AFF8499AA29B" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityAbstract_B2E3E2ECD272B4EB6AFCAFF8499A25C8" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax_AF139BE58DA218CCFDE5AFF8499AA29B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_0DE31B23B11987E1B2E7AFF8499A5643" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityAbstract_B2E3E2ECD272B4EB6AFCAFF8499A25C8" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_0DE31B23B11987E1B2E7AFF8499A5643" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_BF9125D04D5CA5B1B1C5AFF8499A7667" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityAbstract_B2E3E2ECD272B4EB6AFCAFF8499A25C8" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_BF9125D04D5CA5B1B1C5AFF8499A7667" xlink:type="arc" />
    <loc xlink:href="qlys-20140630.xsd#qlys_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax" xlink:label="loc_qlys_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax_8EBA02274E7410FA5269AFF8499AC0F3" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityAbstract_B2E3E2ECD272B4EB6AFCAFF8499A25C8" xlink:to="loc_qlys_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax_8EBA02274E7410FA5269AFF8499AC0F3" xlink:type="arc" />
    <loc xlink:href="qlys-20140630.xsd#qlys_AccumulatedOtherComprehensiveIncomeLossAvailableforsaleSecuritiesAdjustmentTax" xlink:label="loc_qlys_AccumulatedOtherComprehensiveIncomeLossAvailableforsaleSecuritiesAdjustmentTax_7A4DECC51E8B443CEC73AFF8499AF7AE" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityAbstract_B2E3E2ECD272B4EB6AFCAFF8499A25C8" xlink:to="loc_qlys_AccumulatedOtherComprehensiveIncomeLossAvailableforsaleSecuritiesAdjustmentTax_7A4DECC51E8B443CEC73AFF8499AF7AE" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/AccumulatedOtherComprehensiveIncomeLossNotes" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityAbstract" xlink:label="loc_us-gaap_EquityAbstract_6A924F3081F3D1FE5894AFF8498022EC" xlink:type="locator" />
    <loc xlink:href="qlys-20140630.xsd#qlys_AccumulatedOtherComprehensiveIncomeLossDisclosureTextBlock" xlink:label="loc_qlys_AccumulatedOtherComprehensiveIncomeLossDisclosureTextBlock_EF3E6A17C7328881057BAFF84980C8CA" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityAbstract_6A924F3081F3D1FE5894AFF8498022EC" xlink:to="loc_qlys_AccumulatedOtherComprehensiveIncomeLossDisclosureTextBlock_EF3E6A17C7328881057BAFF84980C8CA" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/AccumulatedOtherComprehensiveIncomeLossTables" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EquityAbstract" xlink:label="loc_us-gaap_EquityAbstract_25477F83957B2A37799DAFF8489B41E9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_9649CD94519EB92C4F0FAFF8489B2705" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityAbstract_25477F83957B2A37799DAFF8489B41E9" xlink:to="loc_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_9649CD94519EB92C4F0FAFF8489B2705" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/CommitmentsAndContingencies" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_1B35356D828638BB0DB1AFF849926390" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_587373C081F70BC42EA2AFF849937D83" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_1B35356D828638BB0DB1AFF849926390" xlink:to="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_587373C081F70BC42EA2AFF849937D83" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/CommitmentsAndContingenciesLeaseNarrativeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_0C433CCCBD095B931D068E9484E1964B" xlink:type="locator" />
    <loc xlink:href="qlys-20140630.xsd#qlys_LeasedAssetsTable" xlink:label="loc_qlys_LeasedAssetsTable_7A11762908156657F0658E9484E1389D" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_0C433CCCBD095B931D068E9484E1964B" xlink:to="loc_qlys_LeasedAssetsTable_7A11762908156657F0658E9484E1389D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis" xlink:label="loc_us-gaap_RecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis_C9E879B46B17AD08B8978E9484E1CF2B" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_LeasedAssetsTable_7A11762908156657F0658E9484E1389D" xlink:to="loc_us-gaap_RecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis_C9E879B46B17AD08B8978E9484E1CF2B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain" xlink:label="loc_us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain_9BF9A7E39457EE3ACC428E9484E1F301" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis_C9E879B46B17AD08B8978E9484E1CF2B" xlink:to="loc_us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain_9BF9A7E39457EE3ACC428E9484E1F301" xlink:type="arc" />
    <loc xlink:href="qlys-20140630.xsd#qlys_MaintenanceAndSupportMember" xlink:label="loc_qlys_MaintenanceAndSupportMember_8CA138B700C4EC92C24F8E9484E1626D" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain_9BF9A7E39457EE3ACC428E9484E1F301" xlink:to="loc_qlys_MaintenanceAndSupportMember_8CA138B700C4EC92C24F8E9484E1626D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis" xlink:label="loc_us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis_4BA251F8C9C2B2E4DEC68E9484E1F19D" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_LeasedAssetsTable_7A11762908156657F0658E9484E1389D" xlink:to="loc_us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis_4BA251F8C9C2B2E4DEC68E9484E1F19D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain" xlink:label="loc_us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain_B98E7654CC6415BD0AA48E9484E16759" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis_4BA251F8C9C2B2E4DEC68E9484E1F19D" xlink:to="loc_us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain_B98E7654CC6415BD0AA48E9484E16759" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CapitalAdditionsMember" xlink:label="loc_us-gaap_CapitalAdditionsMember_4F4CB921938E69AE16318E9484E1BB30" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain_B98E7654CC6415BD0AA48E9484E16759" xlink:to="loc_us-gaap_CapitalAdditionsMember_4F4CB921938E69AE16318E9484E1BB30" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_57EBDC25990BE7AC0B068E9484E11AAF" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_LeasedAssetsTable_7A11762908156657F0658E9484E1389D" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_57EBDC25990BE7AC0B068E9484E11AAF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_B4B22BE5CA1EB7D704868E9484E15BF4" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_57EBDC25990BE7AC0B068E9484E11AAF" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_B4B22BE5CA1EB7D704868E9484E15BF4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CapitalLeaseObligationsMember" xlink:label="loc_us-gaap_CapitalLeaseObligationsMember_3045F251E00CE21737BF8E9484E11D72" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_B4B22BE5CA1EB7D704868E9484E15BF4" xlink:to="loc_us-gaap_CapitalLeaseObligationsMember_3045F251E00CE21737BF8E9484E11D72" xlink:type="arc" />
    <loc xlink:href="qlys-20140630.xsd#qlys_LeasedAssetsLineItems" xlink:label="loc_qlys_LeasedAssetsLineItems_5FD72DF17625F63CB6B98E9484E2E201" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_LeasedAssetsTable_7A11762908156657F0658E9484E1389D" xlink:to="loc_qlys_LeasedAssetsLineItems_5FD72DF17625F63CB6B98E9484E2E201" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_A5FAFFE6B2FFC40FBC468E9484E29576" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_LeasedAssetsLineItems_5FD72DF17625F63CB6B98E9484E2E201" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_A5FAFFE6B2FFC40FBC468E9484E29576" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_B78DE3DC25F232472E788E9484E2D6C1" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_LeasedAssetsLineItems_5FD72DF17625F63CB6B98E9484E2E201" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_B78DE3DC25F232472E788E9484E2D6C1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RecordedUnconditionalPurchaseObligation" xlink:label="loc_us-gaap_RecordedUnconditionalPurchaseObligation_9084B6B87DCB6FC5AB768E9484E23D6F" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_LeasedAssetsLineItems_5FD72DF17625F63CB6B98E9484E2E201" xlink:to="loc_us-gaap_RecordedUnconditionalPurchaseObligation_9084B6B87DCB6FC5AB768E9484E23D6F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LeaseAndRentalExpense" xlink:label="loc_us-gaap_LeaseAndRentalExpense_B53394E0C7C0D30E32258E9484E2284E" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_LeasedAssetsLineItems_5FD72DF17625F63CB6B98E9484E2E201" xlink:to="loc_us-gaap_LeaseAndRentalExpense_B53394E0C7C0D30E32258E9484E2284E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredRentCreditNoncurrent" xlink:label="loc_us-gaap_DeferredRentCreditNoncurrent_89227B8AF5A4EE2FE1048E9484E29F42" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_LeasedAssetsLineItems_5FD72DF17625F63CB6B98E9484E2E201" xlink:to="loc_us-gaap_DeferredRentCreditNoncurrent_89227B8AF5A4EE2FE1048E9484E29F42" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/CommitmentsAndContingenciesSalesAndOtherTaxesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_8C6022A3E3E861FFFA45A21BB6E877F2" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SalesAndExciseTaxPayableCurrent" xlink:label="loc_us-gaap_SalesAndExciseTaxPayableCurrent_CB3CA3E2264C349EB7D2A21BB6E814F0" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_8C6022A3E3E861FFFA45A21BB6E877F2" xlink:to="loc_us-gaap_SalesAndExciseTaxPayableCurrent_CB3CA3E2264C349EB7D2A21BB6E814F0" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/CommitmentsAndContingenciesScheduleOfLeasesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_605065C3BADA3380BAB88E9484D734EC" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract_83E44CCE1FD814BFB5EA8E9484D75A44" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_605065C3BADA3380BAB88E9484D734EC" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract_83E44CCE1FD814BFB5EA8E9484D75A44" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_098F08E525CD56D92B9C8E9484D89C12" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract_83E44CCE1FD814BFB5EA8E9484D75A44" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_098F08E525CD56D92B9C8E9484D89C12" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_FBE7629B5B2A3B141F738E9484D800EF" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract_83E44CCE1FD814BFB5EA8E9484D75A44" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_FBE7629B5B2A3B141F738E9484D800EF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_151907B95A4A8D79B0098E9484D8B57A" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract_83E44CCE1FD814BFB5EA8E9484D75A44" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_151907B95A4A8D79B0098E9484D8B57A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_62AFD0BC66693B20C6F68E9484D8172D" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract_83E44CCE1FD814BFB5EA8E9484D75A44" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_62AFD0BC66693B20C6F68E9484D8172D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_16F981FA6FDE7A7698A28E9484D89A68" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract_83E44CCE1FD814BFB5EA8E9484D75A44" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_16F981FA6FDE7A7698A28E9484D89A68" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_2CC6EBF3B27D0B33699F8E9484D8F223" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract_83E44CCE1FD814BFB5EA8E9484D75A44" xlink:to="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsDue_2CC6EBF3B27D0B33699F8E9484D8F223" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract_B66A594E508FA4F2A4DE8E9484D843B0" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_605065C3BADA3380BAB88E9484D734EC" xlink:to="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract_B66A594E508FA4F2A4DE8E9484D843B0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent_2470256FA2C8439635978E9484D8DACE" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract_B66A594E508FA4F2A4DE8E9484D843B0" xlink:to="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent_2470256FA2C8439635978E9484D8DACE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_01C06383D10B94EB49548E9484D809D7" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract_B66A594E508FA4F2A4DE8E9484D843B0" xlink:to="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_01C06383D10B94EB49548E9484D809D7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_338439717FB3F4C0AE0F8E9484D8E939" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract_B66A594E508FA4F2A4DE8E9484D843B0" xlink:to="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_338439717FB3F4C0AE0F8E9484D8E939" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_69C86B9D77CA2386CCE88E9484D87E23" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract_B66A594E508FA4F2A4DE8E9484D843B0" xlink:to="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_69C86B9D77CA2386CCE88E9484D87E23" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears_4187072B540CF3C99F898E9484D855B5" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract_B66A594E508FA4F2A4DE8E9484D843B0" xlink:to="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears_4187072B540CF3C99F898E9484D855B5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDue" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_76B1DFB231CF4AC384F98E9484D85C2F" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract_B66A594E508FA4F2A4DE8E9484D843B0" xlink:to="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_76B1DFB231CF4AC384F98E9484D85C2F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments_CD72ED04682A7F827E798E9484D9EA7E" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract_B66A594E508FA4F2A4DE8E9484D843B0" xlink:to="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments_CD72ED04682A7F827E798E9484D9EA7E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments_DE0F31AFB7978F28E5A88E9484D96FA2" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract_B66A594E508FA4F2A4DE8E9484D843B0" xlink:to="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments_DE0F31AFB7978F28E5A88E9484D96FA2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CapitalLeaseObligationsCurrent" xlink:label="loc_us-gaap_CapitalLeaseObligationsCurrent_6D18D03E8A3294128D888E9484D9FC7B" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract_B66A594E508FA4F2A4DE8E9484D843B0" xlink:to="loc_us-gaap_CapitalLeaseObligationsCurrent_6D18D03E8A3294128D888E9484D9FC7B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CapitalLeaseObligationsNoncurrent" xlink:label="loc_us-gaap_CapitalLeaseObligationsNoncurrent_70CF2F0EC8AC0E1FA0C98E9484D99C5C" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract_B66A594E508FA4F2A4DE8E9484D843B0" xlink:to="loc_us-gaap_CapitalLeaseObligationsNoncurrent_70CF2F0EC8AC0E1FA0C98E9484D99C5C" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/CommitmentsAndContingenciesTables" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_5547C9A4737B1220A20EAFF8497D1830" xlink:type="locator" />
    <loc xlink:href="qlys-20140630.xsd#qlys_ScheduleOfFutureMinimumLeasePaymentsForOperatingAndCapitalLeasesTableTextBlock" xlink:label="loc_qlys_ScheduleOfFutureMinimumLeasePaymentsForOperatingAndCapitalLeasesTableTextBlock_A95DC6AF3C889B88D54BAFF8497DBEF0" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_5547C9A4737B1220A20EAFF8497D1830" xlink:to="loc_qlys_ScheduleOfFutureMinimumLeasePaymentsForOperatingAndCapitalLeasesTableTextBlock_A95DC6AF3C889B88D54BAFF8497DBEF0" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/CompanyAndSummaryOfSignificantAccountingPolicies" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_E9B7156C50E600F6C968AFF84894B744" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SignificantAccountingPoliciesTextBlock" xlink:label="loc_us-gaap_SignificantAccountingPoliciesTextBlock_E836676BD62267F113FEAFF84894291C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_E9B7156C50E600F6C968AFF84894B744" xlink:to="loc_us-gaap_SignificantAccountingPoliciesTextBlock_E836676BD62267F113FEAFF84894291C" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/CompanyAndSummaryOfSignificantAccountingPoliciesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_FBCDE583048A8B2A6ECC8E94857B6D1A" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConcentrationRiskTable" xlink:label="loc_us-gaap_ConcentrationRiskTable_B6442476ACB31FBF68658E94857B69E1" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_FBCDE583048A8B2A6ECC8E94857B6D1A" xlink:to="loc_us-gaap_ConcentrationRiskTable_B6442476ACB31FBF68658E94857B69E1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_6F77E0C819562DD18EEC8E94857B46C7" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskTable_B6442476ACB31FBF68658E94857B69E1" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_6F77E0C819562DD18EEC8E94857B46C7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_AF739C741DA6D6E3EDB08E94857B942E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_6F77E0C819562DD18EEC8E94857B46C7" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_AF739C741DA6D6E3EDB08E94857B942E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccountsReceivableMember" xlink:label="loc_us-gaap_AccountsReceivableMember_884033F20E59D4BD6A918E94857BD29D" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_AF739C741DA6D6E3EDB08E94857B942E" xlink:to="loc_us-gaap_AccountsReceivableMember_884033F20E59D4BD6A918E94857BD29D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConcentrationRiskByTypeAxis" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_CAC4CF917C128F8633038E94857BCE1E" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskTable_B6442476ACB31FBF68658E94857B69E1" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_CAC4CF917C128F8633038E94857BCE1E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConcentrationRiskTypeDomain" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_420F0C713CF63C5ED8788E94857C5E1B" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_CAC4CF917C128F8633038E94857BCE1E" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_420F0C713CF63C5ED8788E94857C5E1B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CustomerConcentrationRiskMember" xlink:label="loc_us-gaap_CustomerConcentrationRiskMember_C238B22DF46067D6C8248E94857CBB7E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_420F0C713CF63C5ED8788E94857C5E1B" xlink:to="loc_us-gaap_CustomerConcentrationRiskMember_C238B22DF46067D6C8248E94857CBB7E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConcentrationRiskLineItems" xlink:label="loc_us-gaap_ConcentrationRiskLineItems_17F3B7F6783D7BAF70958E94857CA151" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskTable_B6442476ACB31FBF68658E94857B69E1" xlink:to="loc_us-gaap_ConcentrationRiskLineItems_17F3B7F6783D7BAF70958E94857CA151" xlink:type="arc" />
    <loc xlink:href="qlys-20140630.xsd#qlys_ConcentrationRiskNumberOfCustomers" xlink:label="loc_qlys_ConcentrationRiskNumberOfCustomers_191FB191B296100A33BB8E94857C87EB" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_17F3B7F6783D7BAF70958E94857CA151" xlink:to="loc_qlys_ConcentrationRiskNumberOfCustomers_191FB191B296100A33BB8E94857C87EB" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/CompanyAndSummaryOfSignificantAccountingPoliciesPolicies" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_8D6213503EAC82FC14CEAFF8486E51F0" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_BusinessDescriptionAndAccountingPoliciesTextBlock" xlink:label="loc_us-gaap_BusinessDescriptionAndAccountingPoliciesTextBlock_300552BAF35BC55909A1AFF8486E00EE" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_8D6213503EAC82FC14CEAFF8486E51F0" xlink:to="loc_us-gaap_BusinessDescriptionAndAccountingPoliciesTextBlock_300552BAF35BC55909A1AFF8486E00EE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:label="loc_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_2C2F95DF1E6E936FB5DDAFF8486E1BBE" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_8D6213503EAC82FC14CEAFF8486E51F0" xlink:to="loc_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_2C2F95DF1E6E936FB5DDAFF8486E1BBE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConsolidationPolicyTextBlock" xlink:label="loc_us-gaap_ConsolidationPolicyTextBlock_46F9EE4D77312C3433E9AFF8486E7E28" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_8D6213503EAC82FC14CEAFF8486E51F0" xlink:to="loc_us-gaap_ConsolidationPolicyTextBlock_46F9EE4D77312C3433E9AFF8486E7E28" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_UseOfEstimates" xlink:label="loc_us-gaap_UseOfEstimates_44D2BEC77A35915BB89DAFF8486E1753" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_8D6213503EAC82FC14CEAFF8486E51F0" xlink:to="loc_us-gaap_UseOfEstimates_44D2BEC77A35915BB89DAFF8486E1753" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConcentrationRiskCreditRisk" xlink:label="loc_us-gaap_ConcentrationRiskCreditRisk_52BF519CC175328EC72FAFF8486E1482" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_8D6213503EAC82FC14CEAFF8486E51F0" xlink:to="loc_us-gaap_ConcentrationRiskCreditRisk_52BF519CC175328EC72FAFF8486E1482" xlink:type="arc" />
    <loc xlink:href="qlys-20140630.xsd#qlys_CashCashEquivalentsShortTermAndLongTermInvestmentsPolicyPolicyTextBlock" xlink:label="loc_qlys_CashCashEquivalentsShortTermAndLongTermInvestmentsPolicyPolicyTextBlock_80921D6C18D47A2DA1AEAFF8486E4E02" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_8D6213503EAC82FC14CEAFF8486E51F0" xlink:to="loc_qlys_CashCashEquivalentsShortTermAndLongTermInvestmentsPolicyPolicyTextBlock_80921D6C18D47A2DA1AEAFF8486E4E02" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:label="loc_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_0BEA33E1E1A03CBD9210AFF8486F13EE" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_8D6213503EAC82FC14CEAFF8486E51F0" xlink:to="loc_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_0BEA33E1E1A03CBD9210AFF8486F13EE" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/CondensedConsolidatedBalanceSheets" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_EB833B23AAB3C2311E3D7DF63124C6D7" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_0A29CEAD0DCA2423C5CD7DF63124018B" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_EB833B23AAB3C2311E3D7DF63124C6D7" xlink:to="loc_us-gaap_StatementTable_0A29CEAD0DCA2423C5CD7DF63124018B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_3F9E82167F7C46EC6A4A7DF631240785" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_0A29CEAD0DCA2423C5CD7DF63124018B" xlink:to="loc_us-gaap_StatementScenarioAxis_3F9E82167F7C46EC6A4A7DF631240785" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_5892FF2D37BE4AC4884E7DF63124B531" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementScenarioAxis_3F9E82167F7C46EC6A4A7DF631240785" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_5892FF2D37BE4AC4884E7DF63124B531" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_79BE0E63DCE645C06E557DF631247DAE" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_0A29CEAD0DCA2423C5CD7DF63124018B" xlink:to="loc_us-gaap_StatementLineItems_79BE0E63DCE645C06E557DF631247DAE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_us-gaap_AssetsAbstract_62F1633EAA872C5068B57DF63124E896" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_79BE0E63DCE645C06E557DF631247DAE" xlink:to="loc_us-gaap_AssetsAbstract_62F1633EAA872C5068B57DF63124E896" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="loc_us-gaap_AssetsCurrentAbstract_4DB5F287CBC8035113147DF631244988" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_62F1633EAA872C5068B57DF63124E896" xlink:to="loc_us-gaap_AssetsCurrentAbstract_4DB5F287CBC8035113147DF631244988" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_C6EB744CDBCE2F1C27587DF63124F565" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_4DB5F287CBC8035113147DF631244988" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_C6EB744CDBCE2F1C27587DF63124F565" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShortTermInvestments" xlink:label="loc_us-gaap_ShortTermInvestments_3B43AD26A05AF00496877DF631249A24" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_4DB5F287CBC8035113147DF631244988" xlink:to="loc_us-gaap_ShortTermInvestments_3B43AD26A05AF00496877DF631249A24" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_92B35DCBD1DD8C90DF927DF63124E8BB" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_4DB5F287CBC8035113147DF631244988" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_92B35DCBD1DD8C90DF927DF63124E8BB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_8B97D4CD5168DB0BC1347DF631248763" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_4DB5F287CBC8035113147DF631244988" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_8B97D4CD5168DB0BC1347DF631248763" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_8794F3BEF2E46B9F84727DF63124D584" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_4DB5F287CBC8035113147DF631244988" xlink:to="loc_us-gaap_AssetsCurrent_8794F3BEF2E46B9F84727DF63124D584" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LongTermInvestments" xlink:label="loc_us-gaap_LongTermInvestments_D4925A0CA8D5262EA2977DF63125FB56" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_62F1633EAA872C5068B57DF63124E896" xlink:to="loc_us-gaap_LongTermInvestments_D4925A0CA8D5262EA2977DF63125FB56" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_277CD3E352D4DEAF77BE7DF6312572FD" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_62F1633EAA872C5068B57DF63124E896" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_277CD3E352D4DEAF77BE7DF6312572FD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_DD72F373F3A5D8A39E117DF63125C098" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_62F1633EAA872C5068B57DF63124E896" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_DD72F373F3A5D8A39E117DF63125C098" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_CAAE995D15F2D1418E9A7DF63125A7B0" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_62F1633EAA872C5068B57DF63124E896" xlink:to="loc_us-gaap_Goodwill_CAAE995D15F2D1418E9A7DF63125A7B0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_ED657A45971E8E4ECC367DF631254165" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_62F1633EAA872C5068B57DF63124E896" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_ED657A45971E8E4ECC367DF631254165" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_823EEEF3761CFF9922247DF63125909E" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_62F1633EAA872C5068B57DF63124E896" xlink:to="loc_us-gaap_Assets_823EEEF3761CFF9922247DF63125909E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_DBD5BE8A1F82D1316BE47DF63125B7A1" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_79BE0E63DCE645C06E557DF631247DAE" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_DBD5BE8A1F82D1316BE47DF63125B7A1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_CE7167BAB011EA06A17F7DF63125D9BC" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_DBD5BE8A1F82D1316BE47DF63125B7A1" xlink:to="loc_us-gaap_LiabilitiesCurrentAbstract_CE7167BAB011EA06A17F7DF63125D9BC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_us-gaap_AccountsPayableCurrent_A6E95DFDE6FA4EC358D87DF63125C596" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_CE7167BAB011EA06A17F7DF63125D9BC" xlink:to="loc_us-gaap_AccountsPayableCurrent_A6E95DFDE6FA4EC358D87DF63125C596" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_26D354D62212FEEB27B77DF63125FC86" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_CE7167BAB011EA06A17F7DF63125D9BC" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_26D354D62212FEEB27B77DF63125FC86" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredRevenueCurrent" xlink:label="loc_us-gaap_DeferredRevenueCurrent_84DC890E5C8C9E25CD357DF63125CA5B" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_CE7167BAB011EA06A17F7DF63125D9BC" xlink:to="loc_us-gaap_DeferredRevenueCurrent_84DC890E5C8C9E25CD357DF63125CA5B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CapitalLeaseObligationsCurrent" xlink:label="loc_us-gaap_CapitalLeaseObligationsCurrent_31DD76A09801F52967717DF63125406A" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_CE7167BAB011EA06A17F7DF63125D9BC" xlink:to="loc_us-gaap_CapitalLeaseObligationsCurrent_31DD76A09801F52967717DF63125406A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_5857360919426E55377F7DF631257BD7" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_CE7167BAB011EA06A17F7DF63125D9BC" xlink:to="loc_us-gaap_LiabilitiesCurrent_5857360919426E55377F7DF631257BD7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DeferredRevenueNoncurrent" xlink:label="loc_us-gaap_DeferredRevenueNoncurrent_BB2D54ED4D202DD2BE747DF6312564EF" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_DBD5BE8A1F82D1316BE47DF63125B7A1" xlink:to="loc_us-gaap_DeferredRevenueNoncurrent_BB2D54ED4D202DD2BE747DF6312564EF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_D5EA25C9E76DF58C08447DF6312594A9" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_DBD5BE8A1F82D1316BE47DF63125B7A1" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_D5EA25C9E76DF58C08447DF6312594A9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_D76A8300CCD7D0E886167DF6312503AD" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_DBD5BE8A1F82D1316BE47DF63125B7A1" xlink:to="loc_us-gaap_Liabilities_D76A8300CCD7D0E886167DF6312503AD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaap_CommitmentsAndContingencies_E5F9AFCFF524B1BA379A7DF6312649AF" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_DBD5BE8A1F82D1316BE47DF63125B7A1" xlink:to="loc_us-gaap_CommitmentsAndContingencies_E5F9AFCFF524B1BA379A7DF6312649AF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="loc_us-gaap_StockholdersEquityAbstract_055E5E82BB05A97912097DF631262A90" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_DBD5BE8A1F82D1316BE47DF63125B7A1" xlink:to="loc_us-gaap_StockholdersEquityAbstract_055E5E82BB05A97912097DF631262A90" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="loc_us-gaap_PreferredStockValue_7E9C8BCB2BB079A8E7037DF6312627EB" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_055E5E82BB05A97912097DF631262A90" xlink:to="loc_us-gaap_PreferredStockValue_7E9C8BCB2BB079A8E7037DF6312627EB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaap_CommonStockValue_209243393984E3F0CB337DF6312641D2" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_055E5E82BB05A97912097DF631262A90" xlink:to="loc_us-gaap_CommonStockValue_209243393984E3F0CB337DF6312641D2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AdditionalPaidInCapital" xlink:label="loc_us-gaap_AdditionalPaidInCapital_3B0CE5A2D252BC5377D17DF63126A818" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_055E5E82BB05A97912097DF631262A90" xlink:to="loc_us-gaap_AdditionalPaidInCapital_3B0CE5A2D252BC5377D17DF63126A818" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_8CCA86DA1174318FB3377DF6312613E5" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_055E5E82BB05A97912097DF631262A90" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_8CCA86DA1174318FB3377DF6312613E5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_5FD24EE05ABBA6A25A8D7DF6312617F4" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_055E5E82BB05A97912097DF631262A90" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_5FD24EE05ABBA6A25A8D7DF6312617F4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_0B780BDD1D2679884B2B7DF631267A76" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_055E5E82BB05A97912097DF631262A90" xlink:to="loc_us-gaap_StockholdersEquity_0B780BDD1D2679884B2B7DF631267A76" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_B315157C9344A7DF5C347DF6312B2BC9" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_DBD5BE8A1F82D1316BE47DF63125B7A1" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_B315157C9344A7DF5C347DF6312B2BC9" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/CondensedConsolidatedBalanceSheetsParenthetical" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_91D75AB5B008094A7E05AFF8489ED285" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivable" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_9C15F639386243DEF390AFF8489E9AB4" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_91D75AB5B008094A7E05AFF8489ED285" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_9C15F639386243DEF390AFF8489E9AB4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare_B852D4AF5085C1D56A0BAFF8489ECB58" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_91D75AB5B008094A7E05AFF8489ED285" xlink:to="loc_us-gaap_PreferredStockParOrStatedValuePerShare_B852D4AF5085C1D56A0BAFF8489ECB58" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_D87A5EC58D80697D7A3DAFF8489E9827" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_91D75AB5B008094A7E05AFF8489ED285" xlink:to="loc_us-gaap_PreferredStockSharesAuthorized_D87A5EC58D80697D7A3DAFF8489E9827" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="loc_us-gaap_PreferredStockSharesIssued_1CB7896944D627F921FBAFF848A4C626" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_91D75AB5B008094A7E05AFF8489ED285" xlink:to="loc_us-gaap_PreferredStockSharesIssued_1CB7896944D627F921FBAFF848A4C626" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:label="loc_us-gaap_PreferredStockSharesOutstanding_2B0602929F873FA6E036AFF848A43CB5" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_91D75AB5B008094A7E05AFF8489ED285" xlink:to="loc_us-gaap_PreferredStockSharesOutstanding_2B0602929F873FA6E036AFF848A43CB5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_1052ACD6851E4D20AB99AFF848A49BD9" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_91D75AB5B008094A7E05AFF8489ED285" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_1052ACD6851E4D20AB99AFF848A49BD9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_3C01684BE180000684D2AFF848A4CB92" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_91D75AB5B008094A7E05AFF8489ED285" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_3C01684BE180000684D2AFF848A4CB92" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaap_CommonStockSharesIssued_FD86443219C9F754684CAFF848A4CD56" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_91D75AB5B008094A7E05AFF8489ED285" xlink:to="loc_us-gaap_CommonStockSharesIssued_FD86443219C9F754684CAFF848A4CD56" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_31F8746D0166A3C8606CAFF848A435D6" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_91D75AB5B008094A7E05AFF8489ED285" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_31F8746D0166A3C8606CAFF848A435D6" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/CondensedConsolidatedStatementsOfCashFlows" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract_401C20D90391BCECEF0AA2526E6B5E9B" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_A1BFA59B49EF3CB78D11A2526E6B634B" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_401C20D90391BCECEF0AA2526E6B5E9B" xlink:to="loc_us-gaap_StatementTable_A1BFA59B49EF3CB78D11A2526E6B634B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_C86C6467CE538E280FE8A2526E6B6D46" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_A1BFA59B49EF3CB78D11A2526E6B634B" xlink:to="loc_us-gaap_StatementScenarioAxis_C86C6467CE538E280FE8A2526E6B6D46" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_B75BE4D9CDAE02AB2C76A2526E6B4893" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementScenarioAxis_C86C6467CE538E280FE8A2526E6B6D46" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_B75BE4D9CDAE02AB2C76A2526E6B4893" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_03964FA1BAF317AC1F74A2526E6C7AA9" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_A1BFA59B49EF3CB78D11A2526E6B634B" xlink:to="loc_us-gaap_StatementLineItems_03964FA1BAF317AC1F74A2526E6C7AA9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_70B150F7F9F1B8BE3FB0A2526E6CDF43" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_03964FA1BAF317AC1F74A2526E6C7AA9" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_70B150F7F9F1B8BE3FB0A2526E6CDF43" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_871B799CB745C9A70D60A2526E6C3B26" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_70B150F7F9F1B8BE3FB0A2526E6CDF43" xlink:to="loc_us-gaap_NetIncomeLoss_871B799CB745C9A70D60A2526E6C3B26" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_ED34B036D50B12D56D68A2526E6CDB62" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_03964FA1BAF317AC1F74A2526E6C7AA9" xlink:to="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_ED34B036D50B12D56D68A2526E6CDB62" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_29DF6BB1B45B81FC6DDBA2526E6C3CB0" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_ED34B036D50B12D56D68A2526E6CDB62" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_29DF6BB1B45B81FC6DDBA2526E6C3CB0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_885BF304CCE05DBEAC12A2526E6C0A2E" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_ED34B036D50B12D56D68A2526E6CDB62" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_885BF304CCE05DBEAC12A2526E6C0A2E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:label="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_5B9B1BFB2E19F98FF3DCA2526E6C1826" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_ED34B036D50B12D56D68A2526E6CDB62" xlink:to="loc_us-gaap_GainLossOnSaleOfPropertyPlantEquipment_5B9B1BFB2E19F98FF3DCA2526E6C1826" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaap_ShareBasedCompensation_1F397302DC74B0AF83D7A2526E6C6F32" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_ED34B036D50B12D56D68A2526E6CDB62" xlink:to="loc_us-gaap_ShareBasedCompensation_1F397302DC74B0AF83D7A2526E6C6F32" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments" xlink:label="loc_us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_DBC12F1600499651AD83A2526E6CCBF1" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_ED34B036D50B12D56D68A2526E6CDB62" xlink:to="loc_us-gaap_AccretionAmortizationOfDiscountsAndPremiumsInvestments_DBC12F1600499651AD83A2526E6CCBF1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities" xlink:label="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities_59B90BB6464D3106B291A2526E6C8315" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_ED34B036D50B12D56D68A2526E6CDB62" xlink:to="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities_59B90BB6464D3106B291A2526E6C8315" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_C365D4F7F818A0BDED19A2526E6CFC0E" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_ED34B036D50B12D56D68A2526E6CDB62" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_C365D4F7F818A0BDED19A2526E6CFC0E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_728232331862B7731AE1A2526E6CE340" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_C365D4F7F818A0BDED19A2526E6CFC0E" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_728232331862B7731AE1A2526E6CE340" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_41548BD766400F613C57A2526E6C8AA7" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_C365D4F7F818A0BDED19A2526E6CFC0E" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_41548BD766400F613C57A2526E6C8AA7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_1A3A61F5214165685CADA2526E6C9126" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_C365D4F7F818A0BDED19A2526E6CFC0E" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayable_1A3A61F5214165685CADA2526E6C9126" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_09DE4189BD313393F7E3A2526E6CAA63" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_C365D4F7F818A0BDED19A2526E6CFC0E" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_09DE4189BD313393F7E3A2526E6CAA63" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredRevenue" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredRevenue_7799154C5B36944F76E6A2526E6DFE23" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_C365D4F7F818A0BDED19A2526E6CFC0E" xlink:to="loc_us-gaap_IncreaseDecreaseInDeferredRevenue_7799154C5B36944F76E6A2526E6DFE23" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities_822A96FA6CF7C2778417A2526E6D695E" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_C365D4F7F818A0BDED19A2526E6CFC0E" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherNoncurrentLiabilities_822A96FA6CF7C2778417A2526E6D695E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_A50A2C04A4784097F1D1A2526E6D58EB" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_03964FA1BAF317AC1F74A2526E6C7AA9" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_A50A2C04A4784097F1D1A2526E6D58EB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4118987C355047333184A2526E6D84C5" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_03964FA1BAF317AC1F74A2526E6C7AA9" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4118987C355047333184A2526E6D84C5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsToAcquireAvailableForSaleSecurities" xlink:label="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecurities_97A4DEC2D964E24DF662A2526E6DE520" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4118987C355047333184A2526E6D84C5" xlink:to="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecurities_97A4DEC2D964E24DF662A2526E6DE520" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities" xlink:label="loc_us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities_833BB92B71EFC7F6DAEBA2526E6DCB90" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4118987C355047333184A2526E6D84C5" xlink:to="loc_us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities_833BB92B71EFC7F6DAEBA2526E6DCB90" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_4839E58632B0BC698D7BA2526E6DD2E7" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4118987C355047333184A2526E6D84C5" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_4839E58632B0BC698D7BA2526E6DD2E7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInRestrictedCash" xlink:label="loc_us-gaap_IncreaseDecreaseInRestrictedCash_A180846EA0A573712223A2526E6D263A" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4118987C355047333184A2526E6D84C5" xlink:to="loc_us-gaap_IncreaseDecreaseInRestrictedCash_A180846EA0A573712223A2526E6D263A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_2F1D6027BC21FEDA6CCAA2526E6D2314" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_4118987C355047333184A2526E6D84C5" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_2F1D6027BC21FEDA6CCAA2526E6D2314" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_F108058C651348CE708FA2526E6D195F" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_03964FA1BAF317AC1F74A2526E6C7AA9" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_F108058C651348CE708FA2526E6D195F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_FFF078623B5159CC4F36A2526E6DB54D" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_F108058C651348CE708FA2526E6D195F" xlink:to="loc_us-gaap_ProceedsFromStockOptionsExercised_FFF078623B5159CC4F36A2526E6DB54D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_F098A0065A03C421ABE4A2526E6D9279" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_F108058C651348CE708FA2526E6D195F" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_F098A0065A03C421ABE4A2526E6D9279" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RepaymentsOfLongTermCapitalLeaseObligations" xlink:label="loc_us-gaap_RepaymentsOfLongTermCapitalLeaseObligations_FD144DE25D74E1E73301A2526E6D29E3" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_F108058C651348CE708FA2526E6D195F" xlink:to="loc_us-gaap_RepaymentsOfLongTermCapitalLeaseObligations_FD144DE25D74E1E73301A2526E6D29E3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_B946196BFB6561AB5910A2526E6D6343" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_F108058C651348CE708FA2526E6D195F" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_B946196BFB6561AB5910A2526E6D6343" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_98754EC9069A93AE5DE1A2526E6DF52F" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_03964FA1BAF317AC1F74A2526E6C7AA9" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_98754EC9069A93AE5DE1A2526E6DF52F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_7035AC4125255E819211A2526E6EC305" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_03964FA1BAF317AC1F74A2526E6C7AA9" xlink:to="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_7035AC4125255E819211A2526E6EC305" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_D2919BC11A4143E4D9B8A2526E6E56B6" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_03964FA1BAF317AC1F74A2526E6C7AA9" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_D2919BC11A4143E4D9B8A2526E6E56B6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_82BBF8EA6A9C257F536BA2526E6EA6E6" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_03964FA1BAF317AC1F74A2526E6C7AA9" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_82BBF8EA6A9C257F536BA2526E6EA6E6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:label="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_31CD1624AE6DE36FA150A2526E6ED548" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_03964FA1BAF317AC1F74A2526E6C7AA9" xlink:to="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_31CD1624AE6DE36FA150A2526E6ED548" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CapitalExpendituresIncurredButNotYetPaid" xlink:label="loc_us-gaap_CapitalExpendituresIncurredButNotYetPaid_119546E55EBC97FB07E5A2526E6E0074" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_31CD1624AE6DE36FA150A2526E6ED548" xlink:to="loc_us-gaap_CapitalExpendituresIncurredButNotYetPaid_119546E55EBC97FB07E5A2526E6E0074" xlink:type="arc" />
    <loc xlink:href="qlys-20140630.xsd#qlys_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognitionEarlyExercised" xlink:label="loc_qlys_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognitionEarlyExercised_3BC2DBFAA05DD878E7FCA2526E6E645B" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_31CD1624AE6DE36FA150A2526E6ED548" xlink:to="loc_qlys_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognitionEarlyExercised_3BC2DBFAA05DD878E7FCA2526E6E645B" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:label="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_8F7E5409986C1E75DACF93934B280C75" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_2B89B96923CFCB2DBBF693934B280A93" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_8F7E5409986C1E75DACF93934B280C75" xlink:to="loc_us-gaap_StatementTable_2B89B96923CFCB2DBBF693934B280A93" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_D47BF8CE217E4970571A93934B287491" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_2B89B96923CFCB2DBBF693934B280A93" xlink:to="loc_us-gaap_StatementScenarioAxis_D47BF8CE217E4970571A93934B287491" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_A6794FDA3E96C67D7D9493934B287153" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementScenarioAxis_D47BF8CE217E4970571A93934B287491" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_A6794FDA3E96C67D7D9493934B287153" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_CF1515344AD1A6AC99ED93934B28E935" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_2B89B96923CFCB2DBBF693934B280A93" xlink:to="loc_us-gaap_StatementLineItems_CF1515344AD1A6AC99ED93934B28E935" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_D702D7663A285226A99F93934B288B77" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_CF1515344AD1A6AC99ED93934B28E935" xlink:to="loc_us-gaap_NetIncomeLoss_D702D7663A285226A99F93934B288B77" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax_645D83EA3C30A727E4B293934B28B011" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_CF1515344AD1A6AC99ED93934B28E935" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax_645D83EA3C30A727E4B293934B28B011" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AvailableForSaleSecuritiesAbstract" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesAbstract_CBF0257609D7E41606C893934B283A0B" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_CF1515344AD1A6AC99ED93934B28E935" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesAbstract_CBF0257609D7E41606C893934B283A0B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_462CAD855CA4D9E29B2A93934B2950A3" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesAbstract_CBF0257609D7E41606C893934B283A0B" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_462CAD855CA4D9E29B2A93934B2950A3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax_1E40D331DBEAD0C4082693934B295D24" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesAbstract_CBF0257609D7E41606C893934B283A0B" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax_1E40D331DBEAD0C4082693934B295D24" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_CCDFD80DDDD07899179393934B29F732" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesAbstract_CBF0257609D7E41606C893934B283A0B" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_CCDFD80DDDD07899179393934B29F732" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_1DC464BC3279FFEA130B93934B29A1BA" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_CF1515344AD1A6AC99ED93934B28E935" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_1DC464BC3279FFEA130B93934B29A1BA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_253DDB551EEE348B93D793934B29785A" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_CF1515344AD1A6AC99ED93934B28E935" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTax_253DDB551EEE348B93D793934B29785A" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeParenthetical" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:label="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_B7A0F84CAB858707EEF8A2524076FA8A" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_7190920D08CC94086F66A25240785700" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_B7A0F84CAB858707EEF8A2524076FA8A" xlink:to="loc_us-gaap_StatementTable_7190920D08CC94086F66A25240785700" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_90A3F216C9EA6DC577B1A2524078CA71" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_7190920D08CC94086F66A25240785700" xlink:to="loc_us-gaap_StatementScenarioAxis_90A3F216C9EA6DC577B1A2524078CA71" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_06A2A95AA2D9E9ABAC86A25240787406" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementScenarioAxis_90A3F216C9EA6DC577B1A2524078CA71" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_06A2A95AA2D9E9ABAC86A25240787406" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_EF723BAA6DE0521C504BA2524078FD23" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_7190920D08CC94086F66A25240785700" xlink:to="loc_us-gaap_StatementLineItems_EF723BAA6DE0521C504BA2524078FD23" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax_65212A8D0BC39D5FA61CA2524079D8AF" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_EF723BAA6DE0521C504BA2524078FD23" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax_65212A8D0BC39D5FA61CA2524079D8AF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax_5B47EA1D87145DBD86D9A2524079285B" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_EF723BAA6DE0521C504BA2524078FD23" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax_5B47EA1D87145DBD86D9A2524079285B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax_DFD4F9F1E25BF977C6FFA25240794C2E" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_EF723BAA6DE0521C504BA2524078FD23" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax_DFD4F9F1E25BF977C6FFA25240794C2E" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/CondensedConsolidatedStatementsOfOperations" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="loc_us-gaap_IncomeStatementAbstract_32838A1E517E6F58DC207DF5E7C49884" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_429C5283D7A6C458124B7DF5E7CA7AB3" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_32838A1E517E6F58DC207DF5E7C49884" xlink:to="loc_us-gaap_StatementTable_429C5283D7A6C458124B7DF5E7CA7AB3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_3D6059F1B362C234721F7DF5E7CB14B6" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_429C5283D7A6C458124B7DF5E7CA7AB3" xlink:to="loc_us-gaap_StatementScenarioAxis_3D6059F1B362C234721F7DF5E7CB14B6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_0F186B184C0ECD3B02807DF5E7CB2129" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementScenarioAxis_3D6059F1B362C234721F7DF5E7CB14B6" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_0F186B184C0ECD3B02807DF5E7CB2129" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_A2D79B8D891ECAD1F45B7DF5E7CB02B8" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_429C5283D7A6C458124B7DF5E7CA7AB3" xlink:to="loc_us-gaap_StatementLineItems_A2D79B8D891ECAD1F45B7DF5E7CB02B8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RevenuesAbstract" xlink:label="loc_us-gaap_RevenuesAbstract_024060440CAC701586807DF5E7CB001D" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_A2D79B8D891ECAD1F45B7DF5E7CB02B8" xlink:to="loc_us-gaap_RevenuesAbstract_024060440CAC701586807DF5E7CB001D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_BB5C7094F8751D3B2C137DF5E7CBCF6F" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenuesAbstract_024060440CAC701586807DF5E7CB001D" xlink:to="loc_us-gaap_Revenues_BB5C7094F8751D3B2C137DF5E7CBCF6F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CostOfRevenue" xlink:label="loc_us-gaap_CostOfRevenue_61F3A8803F037276FF1C7DF5E7CC4CE2" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenuesAbstract_024060440CAC701586807DF5E7CB001D" xlink:to="loc_us-gaap_CostOfRevenue_61F3A8803F037276FF1C7DF5E7CC4CE2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GrossProfit" xlink:label="loc_us-gaap_GrossProfit_608E8E3A25DCD63197E77DF5E7CC88C3" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenuesAbstract_024060440CAC701586807DF5E7CB001D" xlink:to="loc_us-gaap_GrossProfit_608E8E3A25DCD63197E77DF5E7CC88C3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingExpensesAbstract" xlink:label="loc_us-gaap_OperatingExpensesAbstract_E122E9F19391CA84F3617DF5E7CC3097" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_A2D79B8D891ECAD1F45B7DF5E7CB02B8" xlink:to="loc_us-gaap_OperatingExpensesAbstract_E122E9F19391CA84F3617DF5E7CC3097" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_0B7866797EAC0611516D7DF5E7CCB31F" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingExpensesAbstract_E122E9F19391CA84F3617DF5E7CC3097" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_0B7866797EAC0611516D7DF5E7CCB31F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SellingAndMarketingExpense" xlink:label="loc_us-gaap_SellingAndMarketingExpense_3AAE11F585F8D24637DB7DF5E7CC28DC" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingExpensesAbstract_E122E9F19391CA84F3617DF5E7CC3097" xlink:to="loc_us-gaap_SellingAndMarketingExpense_3AAE11F585F8D24637DB7DF5E7CC28DC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_69293D041D184DFBF74C7DF5E7CC5937" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingExpensesAbstract_E122E9F19391CA84F3617DF5E7CC3097" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_69293D041D184DFBF74C7DF5E7CC5937" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="loc_us-gaap_OperatingExpenses_035879D8FB0985F450FB7DF5E7CCDA30" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingExpensesAbstract_E122E9F19391CA84F3617DF5E7CC3097" xlink:to="loc_us-gaap_OperatingExpenses_035879D8FB0985F450FB7DF5E7CCDA30" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_F9093E0701D28F0B3BCB7DF5E7CD4AAE" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_A2D79B8D891ECAD1F45B7DF5E7CB02B8" xlink:to="loc_us-gaap_OperatingIncomeLoss_F9093E0701D28F0B3BCB7DF5E7CD4AAE" xlink:type="arc" />
    <loc xlink:href="qlys-20140630.xsd#qlys_OtherIncomeExpenseNetAbstract" xlink:label="loc_qlys_OtherIncomeExpenseNetAbstract_A1DA2E703327C7C3FDDB7DF5E7CD7B95" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_A2D79B8D891ECAD1F45B7DF5E7CB02B8" xlink:to="loc_qlys_OtherIncomeExpenseNetAbstract_A1DA2E703327C7C3FDDB7DF5E7CD7B95" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_4598CF63A35AEFB78B007DF5E7CD2622" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_OtherIncomeExpenseNetAbstract_A1DA2E703327C7C3FDDB7DF5E7CD7B95" xlink:to="loc_us-gaap_InterestExpense_4598CF63A35AEFB78B007DF5E7CD2622" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="loc_us-gaap_InvestmentIncomeInterest_652EDDDA367443260F347DF5E7CDB75F" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_OtherIncomeExpenseNetAbstract_A1DA2E703327C7C3FDDB7DF5E7CD7B95" xlink:to="loc_us-gaap_InvestmentIncomeInterest_652EDDDA367443260F347DF5E7CDB75F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_1E70D0E48E524FF5106F7DF5E7CD5F8C" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_OtherIncomeExpenseNetAbstract_A1DA2E703327C7C3FDDB7DF5E7CD7B95" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_1E70D0E48E524FF5106F7DF5E7CD5F8C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_0CC63E287BCCE49C234D7DF5E7CD974A" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_OtherIncomeExpenseNetAbstract_A1DA2E703327C7C3FDDB7DF5E7CD7B95" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_0CC63E287BCCE49C234D7DF5E7CD974A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_FAFA2EE0324792D4960F7DF5E7CD03A6" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_A2D79B8D891ECAD1F45B7DF5E7CB02B8" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_FAFA2EE0324792D4960F7DF5E7CD03A6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_4B0CF4F416F27F9CDBE77DF5E7CD2451" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_A2D79B8D891ECAD1F45B7DF5E7CB02B8" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_4B0CF4F416F27F9CDBE77DF5E7CD2451" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_C5A476D61916FA335E437DF5E7CD1456" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_A2D79B8D891ECAD1F45B7DF5E7CB02B8" xlink:to="loc_us-gaap_NetIncomeLoss_C5A476D61916FA335E437DF5E7CD1456" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_us-gaap_EarningsPerShareAbstract_29D583FD6F19990F622A7DF5E7CDE0AC" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_A2D79B8D891ECAD1F45B7DF5E7CB02B8" xlink:to="loc_us-gaap_EarningsPerShareAbstract_29D583FD6F19990F622A7DF5E7CDE0AC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_6E62C095588715290CA07DF5E7CD99BC" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_29D583FD6F19990F622A7DF5E7CDE0AC" xlink:to="loc_us-gaap_EarningsPerShareBasic_6E62C095588715290CA07DF5E7CD99BC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_C6B7FAAE8253A030B24A7DF5E7CDD0F9" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_29D583FD6F19990F622A7DF5E7CDE0AC" xlink:to="loc_us-gaap_EarningsPerShareDiluted_C6B7FAAE8253A030B24A7DF5E7CDD0F9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_4EFFB4E6E513C11016FF7DF5E7CD0315" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_A2D79B8D891ECAD1F45B7DF5E7CB02B8" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_4EFFB4E6E513C11016FF7DF5E7CD0315" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_52849C7DAA4D33C0247F7DF5E7CD5C91" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_4EFFB4E6E513C11016FF7DF5E7CD0315" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_52849C7DAA4D33C0247F7DF5E7CD5C91" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_90AC2F38C702FBC239B87DF5E7CD54BB" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_4EFFB4E6E513C11016FF7DF5E7CD0315" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_90AC2F38C702FBC239B87DF5E7CD54BB" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/DocumentAndEntityInformation" xlink:type="extended">
    <loc xlink:href="qlys-20140630.xsd#qlys_DocumentAndEntityInformationAbstract" xlink:label="loc_qlys_DocumentAndEntityInformationAbstract_6B41AA5FDDEDB52AF29FAFF84987ED6E" xlink:type="locator" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityRegistrantName" xlink:label="loc_dei_EntityRegistrantName_599C3C95476E475C6DC5AFF84987F029" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_DocumentAndEntityInformationAbstract_6B41AA5FDDEDB52AF29FAFF84987ED6E" xlink:to="loc_dei_EntityRegistrantName_599C3C95476E475C6DC5AFF84987F029" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="loc_dei_EntityCentralIndexKey_9DBAB9F4146053C3538CAFF84987C336" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_DocumentAndEntityInformationAbstract_6B41AA5FDDEDB52AF29FAFF84987ED6E" xlink:to="loc_dei_EntityCentralIndexKey_9DBAB9F4146053C3538CAFF84987C336" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_DocumentType" xlink:label="loc_dei_DocumentType_9805C337D1593FAAA05BAFF849878DC5" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_DocumentAndEntityInformationAbstract_6B41AA5FDDEDB52AF29FAFF84987ED6E" xlink:to="loc_dei_DocumentType_9805C337D1593FAAA05BAFF849878DC5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="loc_dei_DocumentPeriodEndDate_15037D4CF7BABBC37C94AFF849881122" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_DocumentAndEntityInformationAbstract_6B41AA5FDDEDB52AF29FAFF84987ED6E" xlink:to="loc_dei_DocumentPeriodEndDate_15037D4CF7BABBC37C94AFF849881122" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_AmendmentFlag" xlink:label="loc_dei_AmendmentFlag_FFB7FDC4327419B4E1FEAFF849889F8B" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_DocumentAndEntityInformationAbstract_6B41AA5FDDEDB52AF29FAFF84987ED6E" xlink:to="loc_dei_AmendmentFlag_FFB7FDC4327419B4E1FEAFF849889F8B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="loc_dei_DocumentFiscalYearFocus_00F0EFA7E1A11FA116D7AFF84988D47A" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_DocumentAndEntityInformationAbstract_6B41AA5FDDEDB52AF29FAFF84987ED6E" xlink:to="loc_dei_DocumentFiscalYearFocus_00F0EFA7E1A11FA116D7AFF84988D47A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="loc_dei_DocumentFiscalPeriodFocus_BC508091FB71501B429DAFF849882DA1" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_DocumentAndEntityInformationAbstract_6B41AA5FDDEDB52AF29FAFF84987ED6E" xlink:to="loc_dei_DocumentFiscalPeriodFocus_BC508091FB71501B429DAFF849882DA1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="loc_dei_CurrentFiscalYearEndDate_50DEE9E2DFB77FCF1EF9AFF849883731" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_DocumentAndEntityInformationAbstract_6B41AA5FDDEDB52AF29FAFF84987ED6E" xlink:to="loc_dei_CurrentFiscalYearEndDate_50DEE9E2DFB77FCF1EF9AFF849883731" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityFilerCategory" xlink:label="loc_dei_EntityFilerCategory_E9E5C5AC0172D5C465CDAFF84988597B" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_DocumentAndEntityInformationAbstract_6B41AA5FDDEDB52AF29FAFF84987ED6E" xlink:to="loc_dei_EntityFilerCategory_E9E5C5AC0172D5C465CDAFF84988597B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2013/dei-2013-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_E89FC67B937FEB8F47D0AFF84988F50C" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_DocumentAndEntityInformationAbstract_6B41AA5FDDEDB52AF29FAFF84987ED6E" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_E89FC67B937FEB8F47D0AFF84988F50C" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/FairValueOfFinancialInstruments" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_22DE3A5F3692697FF917AFF849172D17" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueDisclosuresTextBlock" xlink:label="loc_us-gaap_FairValueDisclosuresTextBlock_CBCD758171A40A12489CAFF849170B52" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_22DE3A5F3692697FF917AFF849172D17" xlink:to="loc_us-gaap_FairValueDisclosuresTextBlock_CBCD758171A40A12489CAFF849170B52" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/FairValueOfFinancialInstrumentsCashAndCashEquivalentsAvailableForSaleSecuritiesReconciliationDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_535C2111045082B67B538E948565C60A" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingTable" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTable_7B92E9AA48067F7D0AD68E948565332F" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_535C2111045082B67B538E948565C60A" xlink:to="loc_us-gaap_FairValueByBalanceSheetGroupingTable_7B92E9AA48067F7D0AD68E948565332F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_282EC48B9969F392F7128E948565E402" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_7B92E9AA48067F7D0AD68E948565332F" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_282EC48B9969F392F7128E948565E402" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_9E248BA6492A9AA459008E94856539E9" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_282EC48B9969F392F7128E948565E402" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_9E248BA6492A9AA459008E94856539E9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashMember" xlink:label="loc_us-gaap_CashMember_82E141D08881DAE28AE08E948565F6B9" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_9E248BA6492A9AA459008E94856539E9" xlink:to="loc_us-gaap_CashMember_82E141D08881DAE28AE08E948565F6B9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MoneyMarketFundsMember" xlink:label="loc_us-gaap_MoneyMarketFundsMember_31C24988C64338DEDA148E948565CF58" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_9E248BA6492A9AA459008E94856539E9" xlink:to="loc_us-gaap_MoneyMarketFundsMember_31C24988C64338DEDA148E948565CF58" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommercialPaperMember" xlink:label="loc_us-gaap_CommercialPaperMember_3183A4DC38BEDF03952F8E948565CD5A" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_9E248BA6492A9AA459008E94856539E9" xlink:to="loc_us-gaap_CommercialPaperMember_3183A4DC38BEDF03952F8E948565CD5A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CorporateBondSecuritiesMember" xlink:label="loc_us-gaap_CorporateBondSecuritiesMember_5C62C7E62E42AF4D46918E948565146F" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_9E248BA6492A9AA459008E94856539E9" xlink:to="loc_us-gaap_CorporateBondSecuritiesMember_5C62C7E62E42AF4D46918E948565146F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MunicipalBondsMember" xlink:label="loc_us-gaap_MunicipalBondsMember_A1F303068AE76D9D9D018E94856595B1" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_9E248BA6492A9AA459008E94856539E9" xlink:to="loc_us-gaap_MunicipalBondsMember_A1F303068AE76D9D9D018E94856595B1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CertificatesOfDepositMember" xlink:label="loc_us-gaap_CertificatesOfDepositMember_32A563A9370831FF0C9D8E948566318E" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_9E248BA6492A9AA459008E94856539E9" xlink:to="loc_us-gaap_CertificatesOfDepositMember_32A563A9370831FF0C9D8E948566318E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_USGovernmentAgenciesDebtSecuritiesMember" xlink:label="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_EA8BF784EAADB852C3348E94856662B3" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_9E248BA6492A9AA459008E94856539E9" xlink:to="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_EA8BF784EAADB852C3348E94856662B3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AssetBackedSecuritiesMember" xlink:label="loc_us-gaap_AssetBackedSecuritiesMember_DEEF4682F17B396E78A98E9485664A45" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_9E248BA6492A9AA459008E94856539E9" xlink:to="loc_us-gaap_AssetBackedSecuritiesMember_DEEF4682F17B396E78A98E9485664A45" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_5D2AC08F695FACE15E7C8E9485666DD8" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_7B92E9AA48067F7D0AD68E948565332F" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_5D2AC08F695FACE15E7C8E9485666DD8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_BF46BC73406C91F64C968E948566A2DA" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_5D2AC08F695FACE15E7C8E9485666DD8" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_BF46BC73406C91F64C968E948566A2DA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashAndCashEquivalentsMember" xlink:label="loc_us-gaap_CashAndCashEquivalentsMember_4C0BD61CE4EDEB97D1528E948566916F" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_BF46BC73406C91F64C968E948566A2DA" xlink:to="loc_us-gaap_CashAndCashEquivalentsMember_4C0BD61CE4EDEB97D1528E948566916F" xlink:type="arc" />
    <loc xlink:href="qlys-20140630.xsd#qlys_AvailableForSaleSecuritiesLineItemMember" xlink:label="loc_qlys_AvailableForSaleSecuritiesLineItemMember_1DD5A29D6FA068F9E8C28E9485664472" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_BF46BC73406C91F64C968E948566A2DA" xlink:to="loc_qlys_AvailableForSaleSecuritiesLineItemMember_1DD5A29D6FA068F9E8C28E9485664472" xlink:type="arc" />
    <loc xlink:href="qlys-20140630.xsd#qlys_LongTermInvestmentsMember" xlink:label="loc_qlys_LongTermInvestmentsMember_7A9115037666166C00C18E948566D58A" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_BF46BC73406C91F64C968E948566A2DA" xlink:to="loc_qlys_LongTermInvestmentsMember_7A9115037666166C00C18E948566D58A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems" xlink:label="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_0A3FE2E783CDFAB00A208E9485676614" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_7B92E9AA48067F7D0AD68E948565332F" xlink:to="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_0A3FE2E783CDFAB00A208E9485676614" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract" xlink:label="loc_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_0E96FF3B75D05A618EED8E9485677002" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_0A3FE2E783CDFAB00A208E9485676614" xlink:to="loc_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_0E96FF3B75D05A618EED8E9485677002" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AvailableForSaleSecuritiesAmortizedCost" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesAmortizedCost_E706AE5044353C5199718E948567785F" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_0E96FF3B75D05A618EED8E9485677002" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesAmortizedCost_E706AE5044353C5199718E948567785F" xlink:type="arc" />
    <loc xlink:href="qlys-20140630.xsd#qlys_AvailableforsaleSecuritiesAccumulatedGrossUnrealizedGainbeforeTax" xlink:label="loc_qlys_AvailableforsaleSecuritiesAccumulatedGrossUnrealizedGainbeforeTax_D42453D3B5A55AE955FA8E9485678655" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_0E96FF3B75D05A618EED8E9485677002" xlink:to="loc_qlys_AvailableforsaleSecuritiesAccumulatedGrossUnrealizedGainbeforeTax_D42453D3B5A55AE955FA8E9485678655" xlink:type="arc" />
    <loc xlink:href="qlys-20140630.xsd#qlys_AvailableforsaleSecuritiesAccumulatedGrossUnrealizedLossbeforeTax" xlink:label="loc_qlys_AvailableforsaleSecuritiesAccumulatedGrossUnrealizedLossbeforeTax_9F393B8135D4F8A1BF478E9485678649" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_0E96FF3B75D05A618EED8E9485677002" xlink:to="loc_qlys_AvailableforsaleSecuritiesAccumulatedGrossUnrealizedLossbeforeTax_9F393B8135D4F8A1BF478E9485678649" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AvailableForSaleSecuritiesCurrent" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesCurrent_A942223874FE7BF0CC348E948567D40F" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_0E96FF3B75D05A618EED8E9485677002" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesCurrent_A942223874FE7BF0CC348E948567D40F" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/FairValueOfFinancialInstrumentsContractualMaturityDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_47FC4017512D9854F3C68E9485429450" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_8811FBD386890D67EEF08E9485435A42" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_47FC4017512D9854F3C68E9485429450" xlink:to="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_8811FBD386890D67EEF08E9485435A42" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_6C7906D7BC9B7E89305D8E9485439D89" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_8811FBD386890D67EEF08E9485435A42" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_6C7906D7BC9B7E89305D8E9485439D89" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_767EB7AC743E2B52A9938E9485432797" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_6C7906D7BC9B7E89305D8E9485439D89" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_767EB7AC743E2B52A9938E9485432797" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommercialPaperMember" xlink:label="loc_us-gaap_CommercialPaperMember_DE93439B50D5C519A6BE8E9485433448" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_767EB7AC743E2B52A9938E9485432797" xlink:to="loc_us-gaap_CommercialPaperMember_DE93439B50D5C519A6BE8E9485433448" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MunicipalBondsMember" xlink:label="loc_us-gaap_MunicipalBondsMember_4A525F3EF9206711D0FB8E9485431177" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_767EB7AC743E2B52A9938E9485432797" xlink:to="loc_us-gaap_MunicipalBondsMember_4A525F3EF9206711D0FB8E9485431177" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_USGovernmentAgenciesDebtSecuritiesMember" xlink:label="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_A7CBA3757EC395F8E4468E948543F43B" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_767EB7AC743E2B52A9938E9485432797" xlink:to="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_A7CBA3757EC395F8E4468E948543F43B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CorporateBondSecuritiesMember" xlink:label="loc_us-gaap_CorporateBondSecuritiesMember_A345797ECAC5B896675A8E9485430FCA" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_767EB7AC743E2B52A9938E9485432797" xlink:to="loc_us-gaap_CorporateBondSecuritiesMember_A345797ECAC5B896675A8E9485430FCA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CertificatesOfDepositMember" xlink:label="loc_us-gaap_CertificatesOfDepositMember_51C467ABBC4D9336F55C8E948543D4BF" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_767EB7AC743E2B52A9938E9485432797" xlink:to="loc_us-gaap_CertificatesOfDepositMember_51C467ABBC4D9336F55C8E948543D4BF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AssetBackedSecuritiesMember" xlink:label="loc_us-gaap_AssetBackedSecuritiesMember_21805ADFBA1E162898678E9485431BA9" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_767EB7AC743E2B52A9938E9485432797" xlink:to="loc_us-gaap_AssetBackedSecuritiesMember_21805ADFBA1E162898678E9485431BA9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_2B1F4D367741B11F32C98E948543B104" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_8811FBD386890D67EEF08E9485435A42" xlink:to="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_2B1F4D367741B11F32C98E948543B104" xlink:type="arc" />
    <loc xlink:href="qlys-20140630.xsd#qlys_AvailableForSaleSecuritiesDebtAndEquityMaturitiesNextTwelveMonthsFairValue" xlink:label="loc_qlys_AvailableForSaleSecuritiesDebtAndEquityMaturitiesNextTwelveMonthsFairValue_7D22DF90B63F636632C18E948543525E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_2B1F4D367741B11F32C98E948543B104" xlink:to="loc_qlys_AvailableForSaleSecuritiesDebtAndEquityMaturitiesNextTwelveMonthsFairValue_7D22DF90B63F636632C18E948543525E" xlink:type="arc" />
    <loc xlink:href="qlys-20140630.xsd#qlys_AvailableForSaleSecuritiesDebtAndEquityMaturitiesYearOneThroughTwoFairValue" xlink:label="loc_qlys_AvailableForSaleSecuritiesDebtAndEquityMaturitiesYearOneThroughTwoFairValue_487117F8DCC2EC10B6EB8E948544F406" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_2B1F4D367741B11F32C98E948543B104" xlink:to="loc_qlys_AvailableForSaleSecuritiesDebtAndEquityMaturitiesYearOneThroughTwoFairValue_487117F8DCC2EC10B6EB8E948544F406" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AvailableForSaleSecurities" xlink:label="loc_us-gaap_AvailableForSaleSecurities_BA640D04A2A427CEF7AC8E9485443F7D" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_2B1F4D367741B11F32C98E948543B104" xlink:to="loc_us-gaap_AvailableForSaleSecurities_BA640D04A2A427CEF7AC8E9485443F7D" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/FairValueOfFinancialInstrumentsDerivativesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_74A8BF0407748BE31317A3731FE05855" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:label="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_963C6FF2F063D2CE1780A3731FE26819" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_74A8BF0407748BE31317A3731FE05855" xlink:to="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_963C6FF2F063D2CE1780A3731FE26819" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeByNatureAxis" xlink:label="loc_us-gaap_DerivativeByNatureAxis_EF61CDE01EB94E16A4E9A3731FE2746F" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_963C6FF2F063D2CE1780A3731FE26819" xlink:to="loc_us-gaap_DerivativeByNatureAxis_EF61CDE01EB94E16A4E9A3731FE2746F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeNameDomain" xlink:label="loc_us-gaap_DerivativeNameDomain_F1CDAFE7214383F036B4A3731FE3B7C7" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeByNatureAxis_EF61CDE01EB94E16A4E9A3731FE2746F" xlink:to="loc_us-gaap_DerivativeNameDomain_F1CDAFE7214383F036B4A3731FE3B7C7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ForwardContractsMember" xlink:label="loc_us-gaap_ForwardContractsMember_EB55861467F7A7800E1FA3731FE3910C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeNameDomain_F1CDAFE7214383F036B4A3731FE3B7C7" xlink:to="loc_us-gaap_ForwardContractsMember_EB55861467F7A7800E1FA3731FE3910C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativesFairValueLineItems" xlink:label="loc_us-gaap_DerivativesFairValueLineItems_19EFA99825471EDC0EE5A3731FE33465" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_963C6FF2F063D2CE1780A3731FE26819" xlink:to="loc_us-gaap_DerivativesFairValueLineItems_19EFA99825471EDC0EE5A3731FE33465" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeNumberOfInstrumentsHeld" xlink:label="loc_us-gaap_DerivativeNumberOfInstrumentsHeld_8D29B8877F05007AAEE3A3731FE3C516" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_19EFA99825471EDC0EE5A3731FE33465" xlink:to="loc_us-gaap_DerivativeNumberOfInstrumentsHeld_8D29B8877F05007AAEE3A3731FE3C516" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd#invest_DerivativeNotionalAmount" xlink:label="loc_invest_DerivativeNotionalAmount_C03F4D2BA158FA597259A3731FE3016A" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_19EFA99825471EDC0EE5A3731FE33465" xlink:to="loc_invest_DerivativeNotionalAmount_C03F4D2BA158FA597259A3731FE3016A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ForeignCurrencyContractAssetFairValueDisclosure" xlink:label="loc_us-gaap_ForeignCurrencyContractAssetFairValueDisclosure_50494AB9C54DDC06D74DA3731FE3F399" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_19EFA99825471EDC0EE5A3731FE33465" xlink:to="loc_us-gaap_ForeignCurrencyContractAssetFairValueDisclosure_50494AB9C54DDC06D74DA3731FE3F399" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGain" xlink:label="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGain_4969FC2174AC6C9CAAAAA3731FE34862" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_19EFA99825471EDC0EE5A3731FE33465" xlink:to="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGain_4969FC2174AC6C9CAAAAA3731FE34862" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLoss" xlink:label="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLoss_07411DCF9AEBA544B834A3731FE47286" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_19EFA99825471EDC0EE5A3731FE33465" xlink:to="loc_us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLoss_07411DCF9AEBA544B834A3731FE47286" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ForeignCurrencyTransactionGainBeforeTax" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainBeforeTax_6396EFA4F041D7E754C8A3731FE46F91" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_19EFA99825471EDC0EE5A3731FE33465" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainBeforeTax_6396EFA4F041D7E754C8A3731FE46F91" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ForeignCurrencyTransactionLossBeforeTax" xlink:label="loc_us-gaap_ForeignCurrencyTransactionLossBeforeTax_C0826AF721F1CEB7AF2EA3731FE4D5E5" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_19EFA99825471EDC0EE5A3731FE33465" xlink:to="loc_us-gaap_ForeignCurrencyTransactionLossBeforeTax_C0826AF721F1CEB7AF2EA3731FE4D5E5" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/FairValueOfFinancialInstrumentsFairValueHierarchyDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_1BD33CFAD793D4C1AAA68E94854F0ABD" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_4042085A8087BEA54FED8E94854FE16D" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_1BD33CFAD793D4C1AAA68E94854F0ABD" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_4042085A8087BEA54FED8E94854FE16D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_874FF678C204A61B01D58E9485501D97" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_4042085A8087BEA54FED8E94854FE16D" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_874FF678C204A61B01D58E9485501D97" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_C0C66D35D0548752579D8E9485503E4C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_874FF678C204A61B01D58E9485501D97" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_C0C66D35D0548752579D8E9485503E4C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CommercialPaperMember" xlink:label="loc_us-gaap_CommercialPaperMember_8E707EE86F1FD88830298E9485502163" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_C0C66D35D0548752579D8E9485503E4C" xlink:to="loc_us-gaap_CommercialPaperMember_8E707EE86F1FD88830298E9485502163" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AssetBackedSecuritiesMember" xlink:label="loc_us-gaap_AssetBackedSecuritiesMember_64C55AFDDD075B236E5A8E9485504219" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_C0C66D35D0548752579D8E9485503E4C" xlink:to="loc_us-gaap_AssetBackedSecuritiesMember_64C55AFDDD075B236E5A8E9485504219" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CorporateBondSecuritiesMember" xlink:label="loc_us-gaap_CorporateBondSecuritiesMember_5C7E4EBA0ED8C70A59D58E9485500781" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_C0C66D35D0548752579D8E9485503E4C" xlink:to="loc_us-gaap_CorporateBondSecuritiesMember_5C7E4EBA0ED8C70A59D58E9485500781" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CertificatesOfDepositMember" xlink:label="loc_us-gaap_CertificatesOfDepositMember_5AAAC7A63B8B0F549A0F8E948550F2A3" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_C0C66D35D0548752579D8E9485503E4C" xlink:to="loc_us-gaap_CertificatesOfDepositMember_5AAAC7A63B8B0F549A0F8E948550F2A3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MunicipalBondsMember" xlink:label="loc_us-gaap_MunicipalBondsMember_3F8CDA695AE896C88B488E948550F70F" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_C0C66D35D0548752579D8E9485503E4C" xlink:to="loc_us-gaap_MunicipalBondsMember_3F8CDA695AE896C88B488E948550F70F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_USGovernmentAgenciesDebtSecuritiesMember" xlink:label="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_F0E34041CDB61EA5A8B78E9485503093" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_C0C66D35D0548752579D8E9485503E4C" xlink:to="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_F0E34041CDB61EA5A8B78E9485503093" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_8105971F353AE45627C58E9485506A90" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_4042085A8087BEA54FED8E94854FE16D" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_8105971F353AE45627C58E9485506A90" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_78B50570753E0069C95E8E948550DC87" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_8105971F353AE45627C58E9485506A90" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_78B50570753E0069C95E8E948550DC87" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_8420E611D4607B58CD1F8E948550985D" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_78B50570753E0069C95E8E948550DC87" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_8420E611D4607B58CD1F8E948550985D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_5A863F298B477192C09F8E9485519DAC" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_78B50570753E0069C95E8E948550DC87" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_5A863F298B477192C09F8E9485519DAC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_C4AF64B09AACB099D4598E948551C4E9" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_78B50570753E0069C95E8E948550DC87" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_C4AF64B09AACB099D4598E948551C4E9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember" xlink:label="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_DED9CD473F5124998B468E9485514F20" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_78B50570753E0069C95E8E948550DC87" xlink:to="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_DED9CD473F5124998B468E9485514F20" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_B6CA8376386AC49DFA398E9485516BF7" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_4042085A8087BEA54FED8E94854FE16D" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_B6CA8376386AC49DFA398E9485516BF7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_4A0E3C6FB4F2172BA2E68E94855182BA" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_B6CA8376386AC49DFA398E9485516BF7" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_4A0E3C6FB4F2172BA2E68E94855182BA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_73121B49DD5CAD8D2DCA8E94855117AC" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_4A0E3C6FB4F2172BA2E68E94855182BA" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_73121B49DD5CAD8D2DCA8E94855117AC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_3BC9580F5DA6E38F1D3D8E9485517AEA" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_4042085A8087BEA54FED8E94854FE16D" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_3BC9580F5DA6E38F1D3D8E9485517AEA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AssetsFairValueDisclosureAbstract" xlink:label="loc_us-gaap_AssetsFairValueDisclosureAbstract_A63CF8C9AEA1B55B9A288E948551D1BF" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_3BC9580F5DA6E38F1D3D8E9485517AEA" xlink:to="loc_us-gaap_AssetsFairValueDisclosureAbstract_A63CF8C9AEA1B55B9A288E948551D1BF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AvailableForSaleSecurities" xlink:label="loc_us-gaap_AvailableForSaleSecurities_AC3EA50B70AA45D446988E948551C581" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_A63CF8C9AEA1B55B9A288E948551D1BF" xlink:to="loc_us-gaap_AvailableForSaleSecurities_AC3EA50B70AA45D446988E948551C581" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/FairValueOfFinancialInstrumentsTables" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_44884742E4F7EF8A8422AFF84946F047" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AvailableForSaleSecuritiesTextBlock" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesTextBlock_D62B398970E5FBC66C24AFF8494C2F76" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_44884742E4F7EF8A8422AFF84946F047" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesTextBlock_D62B398970E5FBC66C24AFF8494C2F76" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock_F7732FC0103F37A4A0DEAFF8494CCA62" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_44884742E4F7EF8A8422AFF84946F047" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock_F7732FC0103F37A4A0DEAFF8494CCA62" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock" xlink:label="loc_us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock_2382A4368B3A9B19C6B4AFF8494CAFFD" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_44884742E4F7EF8A8422AFF84946F047" xlink:to="loc_us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock_2382A4368B3A9B19C6B4AFF8494CAFFD" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/GoodwillAndIntangibleAssetsNet" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_A3D6D7690EF750BCD75EAFF8489CE4E9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_5F29D2A70B9CC266E12DAFF8489C2BD0" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_A3D6D7690EF750BCD75EAFF8489CE4E9" xlink:to="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_5F29D2A70B9CC266E12DAFF8489C2BD0" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/GoodwillAndIntangibleAssetsNetDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_C0BBF4BF9A2A1A298D8E8E94850004DE" xlink:type="locator" />
    <loc xlink:href="qlys-20140630.xsd#qlys_ScheduleOfGoodwillAndIntangibleAssetsTable" xlink:label="loc_qlys_ScheduleOfGoodwillAndIntangibleAssetsTable_3E7EB9AF3608A8E1EB898E948501F77E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_C0BBF4BF9A2A1A298D8E8E94850004DE" xlink:to="loc_qlys_ScheduleOfGoodwillAndIntangibleAssetsTable_3E7EB9AF3608A8E1EB898E948501F77E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_9FD2FD755B5FB6BD2CD18E948501B4FC" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_ScheduleOfGoodwillAndIntangibleAssetsTable_3E7EB9AF3608A8E1EB898E948501F77E" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_9FD2FD755B5FB6BD2CD18E948501B4FC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_CED27D3D7C50F46677388E948501C2F5" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_9FD2FD755B5FB6BD2CD18E948501B4FC" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_CED27D3D7C50F46677388E948501C2F5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DevelopedTechnologyRightsMember" xlink:label="loc_us-gaap_DevelopedTechnologyRightsMember_133619624FCEB3E8A1128E948501F85E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_CED27D3D7C50F46677388E948501C2F5" xlink:to="loc_us-gaap_DevelopedTechnologyRightsMember_133619624FCEB3E8A1128E948501F85E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PatentsMember" xlink:label="loc_us-gaap_PatentsMember_422495829B5AF2170F4B8E94850170BF" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_CED27D3D7C50F46677388E948501C2F5" xlink:to="loc_us-gaap_PatentsMember_422495829B5AF2170F4B8E94850170BF" xlink:type="arc" />
    <loc xlink:href="qlys-20140630.xsd#qlys_NonCompetitionAgreementsAndOtherIntangibleAssetsMemberMember" xlink:label="loc_qlys_NonCompetitionAgreementsAndOtherIntangibleAssetsMemberMember_C3FCCDEF705DC2AA10CB8E948501CD31" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_CED27D3D7C50F46677388E948501C2F5" xlink:to="loc_qlys_NonCompetitionAgreementsAndOtherIntangibleAssetsMemberMember_C3FCCDEF705DC2AA10CB8E948501CD31" xlink:type="arc" />
    <loc xlink:href="qlys-20140630.xsd#qlys_ScheduleOfGoodwillAndIntangibleAssetsLineItems" xlink:label="loc_qlys_ScheduleOfGoodwillAndIntangibleAssetsLineItems_9777F473721CA3F46A498E9485010A06" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_ScheduleOfGoodwillAndIntangibleAssetsTable_3E7EB9AF3608A8E1EB898E948501F77E" xlink:to="loc_qlys_ScheduleOfGoodwillAndIntangibleAssetsLineItems_9777F473721CA3F46A498E9485010A06" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_0BC61EA5618DC84637398E948501DF51" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_ScheduleOfGoodwillAndIntangibleAssetsLineItems_9777F473721CA3F46A498E9485010A06" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_0BC61EA5618DC84637398E948501DF51" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_E2BAB9961B35A1DB49B48E9485018BA4" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_ScheduleOfGoodwillAndIntangibleAssetsLineItems_9777F473721CA3F46A498E9485010A06" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_E2BAB9961B35A1DB49B48E9485018BA4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_8718C7197EAE1AD78C8B8E94850259B9" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_ScheduleOfGoodwillAndIntangibleAssetsLineItems_9777F473721CA3F46A498E9485010A06" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_8718C7197EAE1AD78C8B8E94850259B9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_01156F67FD6A72E5A77C8E948502D468" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_ScheduleOfGoodwillAndIntangibleAssetsLineItems_9777F473721CA3F46A498E9485010A06" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_01156F67FD6A72E5A77C8E948502D468" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_2D1857CB5D9D7CE07F2E8E948502B353" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_ScheduleOfGoodwillAndIntangibleAssetsLineItems_9777F473721CA3F46A498E9485010A06" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_2D1857CB5D9D7CE07F2E8E948502B353" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_51094B990E927DD67C5C8E94850222E1" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_ScheduleOfGoodwillAndIntangibleAssetsLineItems_9777F473721CA3F46A498E9485010A06" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_51094B990E927DD67C5C8E94850222E1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_77365AF86925EBFC59268E94850208D1" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_ScheduleOfGoodwillAndIntangibleAssetsLineItems_9777F473721CA3F46A498E9485010A06" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_77365AF86925EBFC59268E94850208D1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_C31D6D1EED6CEACC864E8E948502B33D" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_ScheduleOfGoodwillAndIntangibleAssetsLineItems_9777F473721CA3F46A498E9485010A06" xlink:to="loc_us-gaap_Goodwill_C31D6D1EED6CEACC864E8E948502B33D" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/GoodwillAndIntangibleAssetsNetFutureAmortizationDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_8F7C0D6F938287AD74CFAFF849302C50" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_AB628795A03A435012FEAFF849309B5C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_8F7C0D6F938287AD74CFAFF849302C50" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_AB628795A03A435012FEAFF849309B5C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_F42358AE8750878C2704AFF84930980D" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_8F7C0D6F938287AD74CFAFF849302C50" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_F42358AE8750878C2704AFF84930980D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_58CC6FD5BA7E5BBA9BCFAFF849307A95" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_8F7C0D6F938287AD74CFAFF849302C50" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_58CC6FD5BA7E5BBA9BCFAFF849307A95" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_2E9E25DAD83AC25357C3AFF84931C2E3" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_8F7C0D6F938287AD74CFAFF849302C50" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_2E9E25DAD83AC25357C3AFF84931C2E3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_7C08CD898FD443B7BBA5AFF84931EDEC" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_8F7C0D6F938287AD74CFAFF849302C50" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_7C08CD898FD443B7BBA5AFF84931EDEC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_C833E45EF4DFD9F63A9AAFF84931311D" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_8F7C0D6F938287AD74CFAFF849302C50" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_C833E45EF4DFD9F63A9AAFF84931311D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_E53B9FB30997D144AA91AFF8493166B6" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_8F7C0D6F938287AD74CFAFF849302C50" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_E53B9FB30997D144AA91AFF8493166B6" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/GoodwillAndIntangibleAssetsNetTables" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_715F0262ED2941F23BA8AFF8494DBFBD" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetsByMajorClassTextBlock" xlink:label="loc_us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetsByMajorClassTextBlock_BA86E3E509D47663C614AFF8494D111C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_715F0262ED2941F23BA8AFF8494DBFBD" xlink:to="loc_us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetsByMajorClassTextBlock_BA86E3E509D47663C614AFF8494D111C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" xlink:label="loc_us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_560BE1C28EF6AB12DCFBAFF8494D0546" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_715F0262ED2941F23BA8AFF8494DBFBD" xlink:to="loc_us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_560BE1C28EF6AB12DCFBAFF8494D0546" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/IncomeTaxes" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_E70382B7340BDDC82B3DAFF849778EAD" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="loc_us-gaap_IncomeTaxDisclosureTextBlock_03B66E1C9FC03FFD816BAFF8497783B3" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_E70382B7340BDDC82B3DAFF849778EAD" xlink:to="loc_us-gaap_IncomeTaxDisclosureTextBlock_03B66E1C9FC03FFD816BAFF8497783B3" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/IncomeTaxesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_A851CCA2AD913F10B2C08E94849CF688" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_UnrecognizedTaxBenefits" xlink:label="loc_us-gaap_UnrecognizedTaxBenefits_6BB4A6F9FD1F5ACF4B498E94849D0146" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_A851CCA2AD913F10B2C08E94849CF688" xlink:to="loc_us-gaap_UnrecognizedTaxBenefits_6BB4A6F9FD1F5ACF4B498E94849D0146" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_8C44C2A7878D8AE4DD8E8E94849D3FD9" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_A851CCA2AD913F10B2C08E94849CF688" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate_8C44C2A7878D8AE4DD8E8E94849D3FD9" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/NetIncomePerShare" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_us-gaap_EarningsPerShareAbstract_D81502059BA3FE0E59178E948494F1BD" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EarningsPerShareTextBlock" xlink:label="loc_us-gaap_EarningsPerShareTextBlock_3A113F71C0577C8333AA8E9484942BCC" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_D81502059BA3FE0E59178E948494F1BD" xlink:to="loc_us-gaap_EarningsPerShareTextBlock_3A113F71C0577C8333AA8E9484942BCC" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/NetIncomePerShareDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_us-gaap_EarningsPerShareAbstract_820F628AD8A80354E8408E9484872CF6" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_38B0F34BDBCC74B273EB8E94848A895A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_820F628AD8A80354E8408E9484872CF6" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_38B0F34BDBCC74B273EB8E94848A895A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_82B5EDDDA6245F22133E8E94848B95DC" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_38B0F34BDBCC74B273EB8E94848A895A" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_82B5EDDDA6245F22133E8E94848B95DC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_50236954EF1CE34A43FB8E94848B97B3" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_82B5EDDDA6245F22133E8E94848B95DC" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_50236954EF1CE34A43FB8E94848B97B3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EmployeeStockOptionMember" xlink:label="loc_us-gaap_EmployeeStockOptionMember_02C65580E170BE71680A8E94848BE1A5" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_50236954EF1CE34A43FB8E94848B97B3" xlink:to="loc_us-gaap_EmployeeStockOptionMember_02C65580E170BE71680A8E94848BE1A5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_00670B8FD0554E549EB98E94848BA4BD" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_38B0F34BDBCC74B273EB8E94848A895A" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_00670B8FD0554E549EB98E94848BA4BD" xlink:type="arc" />
    <loc xlink:href="qlys-20140630.xsd#qlys_NumeratorAbstract" xlink:label="loc_qlys_NumeratorAbstract_A9FF5D981012733C19EA8E94848B2D3F" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_00670B8FD0554E549EB98E94848BA4BD" xlink:to="loc_qlys_NumeratorAbstract_A9FF5D981012733C19EA8E94848B2D3F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_28ACEFE735AC9F21CA718E94848D01F9" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_NumeratorAbstract_A9FF5D981012733C19EA8E94848B2D3F" xlink:to="loc_us-gaap_NetIncomeLoss_28ACEFE735AC9F21CA718E94848D01F9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ParticipatingSecuritiesDistributedAndUndistributedEarnings" xlink:label="loc_us-gaap_ParticipatingSecuritiesDistributedAndUndistributedEarnings_F5DF70122571885B342E8E94848D4480" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_NumeratorAbstract_A9FF5D981012733C19EA8E94848B2D3F" xlink:to="loc_us-gaap_ParticipatingSecuritiesDistributedAndUndistributedEarnings_F5DF70122571885B342E8E94848D4480" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_848731E2B62C129A2C1C8E94848D1D3E" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_NumeratorAbstract_A9FF5D981012733C19EA8E94848B2D3F" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_848731E2B62C129A2C1C8E94848D1D3E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_UndistributedEarningsAllocatedToParticipatingSecurities" xlink:label="loc_us-gaap_UndistributedEarningsAllocatedToParticipatingSecurities_B5BC78E3FB239F876C6C8E94848EE74A" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_NumeratorAbstract_A9FF5D981012733C19EA8E94848B2D3F" xlink:to="loc_us-gaap_UndistributedEarningsAllocatedToParticipatingSecurities_B5BC78E3FB239F876C6C8E94848EE74A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_7EAF2442DB90871C8A8B8E94848E2D4A" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_NumeratorAbstract_A9FF5D981012733C19EA8E94848B2D3F" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_7EAF2442DB90871C8A8B8E94848E2D4A" xlink:type="arc" />
    <loc xlink:href="qlys-20140630.xsd#qlys_DenominatorAbstract" xlink:label="loc_qlys_DenominatorAbstract_ADFACF3B0FB980AF32AA8E94848EA649" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_00670B8FD0554E549EB98E94848BA4BD" xlink:to="loc_qlys_DenominatorAbstract_ADFACF3B0FB980AF32AA8E94848EA649" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_5F957CAB55B9B4F703EC8E94848EFBA6" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_DenominatorAbstract_ADFACF3B0FB980AF32AA8E94848EA649" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_5F957CAB55B9B4F703EC8E94848EFBA6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_140A31794ABD8A3B87848E94848EF9E9" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_DenominatorAbstract_ADFACF3B0FB980AF32AA8E94848EA649" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_140A31794ABD8A3B87848E94848EF9E9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_E5CBE267868A416EA1208E94848E7E52" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_DenominatorAbstract_ADFACF3B0FB980AF32AA8E94848EA649" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_E5CBE267868A416EA1208E94848E7E52" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_A4869C768068006F52228E94848EDAA4" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_00670B8FD0554E549EB98E94848BA4BD" xlink:to="loc_us-gaap_EarningsPerShareBasic_A4869C768068006F52228E94848EDAA4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_530A28F671D06128733E8E94848E5A70" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_00670B8FD0554E549EB98E94848BA4BD" xlink:to="loc_us-gaap_EarningsPerShareDiluted_530A28F671D06128733E8E94848E5A70" xlink:type="arc" />
    <loc xlink:href="qlys-20140630.xsd#qlys_AntidilutiveSecuritiesAbstract" xlink:label="loc_qlys_AntidilutiveSecuritiesAbstract_9B34415314E90535FC8D8E94848EC825" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_00670B8FD0554E549EB98E94848BA4BD" xlink:to="loc_qlys_AntidilutiveSecuritiesAbstract_9B34415314E90535FC8D8E94848EC825" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_E9D581F2845DFDA8ECFD8E94848E7063" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_AntidilutiveSecuritiesAbstract_9B34415314E90535FC8D8E94848EC825" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_E9D581F2845DFDA8ECFD8E94848E7063" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/NetIncomePerShareTables" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_us-gaap_EarningsPerShareAbstract_2088D85E2C464E9BED328E94849252BE" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_A2FD6E858A9592656D728E948492FEF5" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_2088D85E2C464E9BED328E94849252BE" xlink:to="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_A2FD6E858A9592656D728E948492FEF5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock_5230B3ECC2C9B7C9F4498E948492D69F" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_2088D85E2C464E9BED328E94849252BE" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock_5230B3ECC2C9B7C9F4498E948492D69F" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/OtherIncomeExpenseNet" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherIncomeAndExpensesAbstract" xlink:label="loc_us-gaap_OtherIncomeAndExpensesAbstract_5F6DCC4B1A1E9984EE52AFF848804935" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherIncomeAndOtherExpenseDisclosureTextBlock" xlink:label="loc_us-gaap_OtherIncomeAndOtherExpenseDisclosureTextBlock_C0326863AE8892ADC6D6AFF84880DC2E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherIncomeAndExpensesAbstract_5F6DCC4B1A1E9984EE52AFF848804935" xlink:to="loc_us-gaap_OtherIncomeAndOtherExpenseDisclosureTextBlock_C0326863AE8892ADC6D6AFF84880DC2E" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/OtherIncomeExpenseNetDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherIncomeAndExpensesAbstract" xlink:label="loc_us-gaap_OtherIncomeAndExpensesAbstract_8F09CA424DF7860CF804AFF848A6DA5C" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_0689A6E55648AA7BCF2AAFF848A6E3A3" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherIncomeAndExpensesAbstract_8F09CA424DF7860CF804AFF848A6DA5C" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_0689A6E55648AA7BCF2AAFF848A6E3A3" xlink:type="arc" />
    <loc xlink:href="qlys-20140630.xsd#qlys_OtherNonOperatingIncomeExpenseOther" xlink:label="loc_qlys_OtherNonOperatingIncomeExpenseOther_59A9D4F0DA5193700549AFF848A6B2F0" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherIncomeAndExpensesAbstract_8F09CA424DF7860CF804AFF848A6DA5C" xlink:to="loc_qlys_OtherNonOperatingIncomeExpenseOther_59A9D4F0DA5193700549AFF848A6B2F0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_69AE775E72281C071F8CAFF848A6C165" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherIncomeAndExpensesAbstract_8F09CA424DF7860CF804AFF848A6DA5C" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_69AE775E72281C071F8CAFF848A6C165" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/OtherIncomeExpenseNetTables" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_OtherIncomeAndExpensesAbstract" xlink:label="loc_us-gaap_OtherIncomeAndExpensesAbstract_FDEF441A43D796DF24E8AFF8499188F4" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock_3D6D5B13E07F509CC1F0AFF84991119B" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherIncomeAndExpensesAbstract_FDEF441A43D796DF24E8AFF8499188F4" xlink:to="loc_us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock_3D6D5B13E07F509CC1F0AFF84991119B" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/PropertyAndEquipmentNet" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAbstract" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAbstract_5D1080322214790F6852AFF8497F92A2" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_EF48ACA51DF03C6AA9EBAFF8497F4D58" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAbstract_5D1080322214790F6852AFF8497F92A2" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_EF48ACA51DF03C6AA9EBAFF8497F4D58" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/PropertyAndEquipmentNetDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAbstract" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAbstract_599E6B7309A13549DD698E94851A377F" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_346EEBE2DD1383E0CF9B8E94851A1B34" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAbstract_599E6B7309A13549DD698E94851A377F" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_346EEBE2DD1383E0CF9B8E94851A1B34" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_CBA88061AE8056834D728E94851A693B" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_346EEBE2DD1383E0CF9B8E94851A1B34" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_CBA88061AE8056834D728E94851A693B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_2FCF561D37CB318966558E94851BA855" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_CBA88061AE8056834D728E94851A693B" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_2FCF561D37CB318966558E94851BA855" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ComputerEquipmentMember" xlink:label="loc_us-gaap_ComputerEquipmentMember_EA49A20DA25DD27A27188E94851B6989" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_2FCF561D37CB318966558E94851BA855" xlink:to="loc_us-gaap_ComputerEquipmentMember_EA49A20DA25DD27A27188E94851B6989" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ComputerSoftwareIntangibleAssetMember" xlink:label="loc_us-gaap_ComputerSoftwareIntangibleAssetMember_5F6596C71B5DE5D336258E94851B0D07" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_2FCF561D37CB318966558E94851BA855" xlink:to="loc_us-gaap_ComputerSoftwareIntangibleAssetMember_5F6596C71B5DE5D336258E94851B0D07" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FurnitureAndFixturesMember" xlink:label="loc_us-gaap_FurnitureAndFixturesMember_A3375EFBF628B8F13F918E94851B8ADB" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_2FCF561D37CB318966558E94851BA855" xlink:to="loc_us-gaap_FurnitureAndFixturesMember_A3375EFBF628B8F13F918E94851B8ADB" xlink:type="arc" />
    <loc xlink:href="qlys-20140630.xsd#qlys_ScannerAppliancesMember" xlink:label="loc_qlys_ScannerAppliancesMember_8B3F27406B9F0532C4118E94851BD338" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_2FCF561D37CB318966558E94851BA855" xlink:to="loc_qlys_ScannerAppliancesMember_8B3F27406B9F0532C4118E94851BD338" xlink:type="arc" />
    <loc xlink:href="qlys-20140630.xsd#qlys_ScannerAppliancesAndOtherComputerEquipmentSubjectToSubscriptionMember" xlink:label="loc_qlys_ScannerAppliancesAndOtherComputerEquipmentSubjectToSubscriptionMember_0A27691C12B0DE6524F68E94851B0130" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_ScannerAppliancesMember_8B3F27406B9F0532C4118E94851BD338" xlink:to="loc_qlys_ScannerAppliancesAndOtherComputerEquipmentSubjectToSubscriptionMember_0A27691C12B0DE6524F68E94851B0130" xlink:type="arc" />
    <loc xlink:href="qlys-20140630.xsd#qlys_ScannerAppliancesAndOtherComputerEquipmentNotPlacedInServiceMember" xlink:label="loc_qlys_ScannerAppliancesAndOtherComputerEquipmentNotPlacedInServiceMember_34E915E7DA7611297F168E94851BF0C7" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_ScannerAppliancesAndOtherComputerEquipmentSubjectToSubscriptionMember_0A27691C12B0DE6524F68E94851B0130" xlink:to="loc_qlys_ScannerAppliancesAndOtherComputerEquipmentNotPlacedInServiceMember_34E915E7DA7611297F168E94851BF0C7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LeaseholdImprovementsMember" xlink:label="loc_us-gaap_LeaseholdImprovementsMember_BEB71D989AE3A7B0D29F8E94851B1C1D" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_2FCF561D37CB318966558E94851BA855" xlink:to="loc_us-gaap_LeaseholdImprovementsMember_BEB71D989AE3A7B0D29F8E94851B1C1D" xlink:type="arc" />
    <loc xlink:href="qlys-20140630.xsd#qlys_OtherFixedAssetsNotPlacedInServiceMember" xlink:label="loc_qlys_OtherFixedAssetsNotPlacedInServiceMember_75A7BFE19AA31A95193C8E9485205E1B" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_2FCF561D37CB318966558E94851BA855" xlink:to="loc_qlys_OtherFixedAssetsNotPlacedInServiceMember_75A7BFE19AA31A95193C8E9485205E1B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_646CF7ABAF98677349FA8E9485204D64" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_346EEBE2DD1383E0CF9B8E94851A1B34" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentLineItems_646CF7ABAF98677349FA8E9485204D64" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_F3EA7E5B0C363E8BC96E8E9485212FBE" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_646CF7ABAF98677349FA8E9485204D64" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_F3EA7E5B0C363E8BC96E8E9485212FBE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_D6CB4CD8CC08D21166978E9485210DD6" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_646CF7ABAF98677349FA8E9485204D64" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_D6CB4CD8CC08D21166978E9485210DD6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_8B3194412859B7BBCE778E9485213188" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_646CF7ABAF98677349FA8E9485204D64" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_8B3194412859B7BBCE778E9485213188" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CapitalLeasedAssetsGross" xlink:label="loc_us-gaap_CapitalLeasedAssetsGross_A14E7A05423CCD4DEBE08E9485217D64" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_646CF7ABAF98677349FA8E9485204D64" xlink:to="loc_us-gaap_CapitalLeasedAssetsGross_A14E7A05423CCD4DEBE08E9485217D64" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation" xlink:label="loc_us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation_195F4C0767C1333CB8978E948521AF9C" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_646CF7ABAF98677349FA8E9485204D64" xlink:to="loc_us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation_195F4C0767C1333CB8978E948521AF9C" xlink:type="arc" />
    <loc xlink:href="qlys-20140630.xsd#qlys_DepreciationDepletionandAmortizationIncludingCapitalLeases" xlink:label="loc_qlys_DepreciationDepletionandAmortizationIncludingCapitalLeases_EEE4430660F068B6F3338E948522E91E" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_646CF7ABAF98677349FA8E9485204D64" xlink:to="loc_qlys_DepreciationDepletionandAmortizationIncludingCapitalLeases_EEE4430660F068B6F3338E948522E91E" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/PropertyAndEquipmentNetTables" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAbstract" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAbstract_ADDC3D51E7C47C45B30BAFF8487A3EE0" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTextBlock_E0F01F4C0206F1CB33CCAFF8487F3139" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAbstract_ADDC3D51E7C47C45B30BAFF8487A3EE0" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTextBlock_E0F01F4C0206F1CB33CCAFF8487F3139" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/SegmentInformationAndInformationAboutGeographicArea" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="loc_us-gaap_SegmentReportingAbstract_23477851C3F0A563E124AFF84929541C" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SegmentReportingDisclosureTextBlock" xlink:label="loc_us-gaap_SegmentReportingDisclosureTextBlock_888B0D7FEEC926F53CCEAFF849291049" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_23477851C3F0A563E124AFF84929541C" xlink:to="loc_us-gaap_SegmentReportingDisclosureTextBlock_888B0D7FEEC926F53CCEAFF849291049" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/SegmentInformationAndInformationAboutGeographicAreaDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="loc_us-gaap_SegmentReportingAbstract_1557E326B4A0B1F71E22AFF84990F505" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_E06786DF4702A74677ADAFF8499026DE" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_1557E326B4A0B1F71E22AFF84990F505" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_E06786DF4702A74677ADAFF8499026DE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementGeographicalAxis" xlink:label="loc_us-gaap_StatementGeographicalAxis_A0E4A4FC69C707512F07AFF84990F285" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_E06786DF4702A74677ADAFF8499026DE" xlink:to="loc_us-gaap_StatementGeographicalAxis_A0E4A4FC69C707512F07AFF84990F285" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="loc_us-gaap_SegmentGeographicalDomain_CA732E13C620252487AEAFF84990ED43" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementGeographicalAxis_A0E4A4FC69C707512F07AFF84990F285" xlink:to="loc_us-gaap_SegmentGeographicalDomain_CA732E13C620252487AEAFF84990ED43" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_US" xlink:label="loc_country_US_0E371AB32E40923B3C06AFF8499017AC" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentGeographicalDomain_CA732E13C620252487AEAFF84990ED43" xlink:to="loc_country_US_0E371AB32E40923B3C06AFF8499017AC" xlink:type="arc" />
    <loc xlink:href="qlys-20140630.xsd#qlys_OtherGeographicAreasMember" xlink:label="loc_qlys_OtherGeographicAreasMember_ED1FE8D4F4C5226EDF2BAFF84990FA72" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentGeographicalDomain_CA732E13C620252487AEAFF84990ED43" xlink:to="loc_qlys_OtherGeographicAreasMember_ED1FE8D4F4C5226EDF2BAFF84990FA72" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_71707ED24249F79380E8AFF84990F63E" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_E06786DF4702A74677ADAFF8499026DE" xlink:to="loc_us-gaap_SegmentReportingInformationLineItems_71707ED24249F79380E8AFF84990F63E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NumberOfOperatingSegments" xlink:label="loc_us-gaap_NumberOfOperatingSegments_EDF56D8BBC98BAE08A95AFF849909257" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_71707ED24249F79380E8AFF84990F63E" xlink:to="loc_us-gaap_NumberOfOperatingSegments_EDF56D8BBC98BAE08A95AFF849909257" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_685CE98442D3412460EEAFF84990E590" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_71707ED24249F79380E8AFF84990F63E" xlink:to="loc_us-gaap_Revenues_685CE98442D3412460EEAFF84990E590" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_3EA14BFA74F519CF57E5AFF849900CFA" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_71707ED24249F79380E8AFF84990F63E" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_3EA14BFA74F519CF57E5AFF849900CFA" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/SegmentInformationAndInformationAboutGeographicAreaTables" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="loc_us-gaap_SegmentReportingAbstract_16CC4529FC200D217414AFF8481B00FA" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock_41BC496708637E0E4EA9AFF8481B09EF" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_16CC4529FC200D217414AFF8481B00FA" xlink:to="loc_us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsByGeographicalAreasTableTextBlock_41BC496708637E0E4EA9AFF8481B09EF" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/StockBasedCompensation" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_3CDAF4B525AAA0F7FC0C88073D87B5CC" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_ADA239894B0E8CCD7CE688073D886FFB" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_3CDAF4B525AAA0F7FC0C88073D87B5CC" xlink:to="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_ADA239894B0E8CCD7CE688073D886FFB" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/StockBasedCompensationExpenseDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_51D5DDFF82EABD1DEF5D8E9484C5B560" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable" xlink:label="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_4C47158985C6569BBCCC8E9484C50FF7" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_51D5DDFF82EABD1DEF5D8E9484C5B560" xlink:to="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_4C47158985C6569BBCCC8E9484C50FF7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_9C58256EDAF9A9F952568E9484C582B8" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_4C47158985C6569BBCCC8E9484C50FF7" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_9C58256EDAF9A9F952568E9484C582B8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_E40F9FF663E8757866E48E9484C57161" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_9C58256EDAF9A9F952568E9484C582B8" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_E40F9FF663E8757866E48E9484C57161" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CostOfSalesMember" xlink:label="loc_us-gaap_CostOfSalesMember_A4286AA57A03A05760178E9484C50B17" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_E40F9FF663E8757866E48E9484C57161" xlink:to="loc_us-gaap_CostOfSalesMember_A4286AA57A03A05760178E9484C50B17" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ResearchAndDevelopmentExpenseMember" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpenseMember_024E43EEB784E66265F58E9484C58886" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_E40F9FF663E8757866E48E9484C57161" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpenseMember_024E43EEB784E66265F58E9484C58886" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SellingAndMarketingExpenseMember" xlink:label="loc_us-gaap_SellingAndMarketingExpenseMember_9F3DFF94F2FE9924C2798E9484C57AE8" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_E40F9FF663E8757866E48E9484C57161" xlink:to="loc_us-gaap_SellingAndMarketingExpenseMember_9F3DFF94F2FE9924C2798E9484C57AE8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_GeneralAndAdministrativeExpenseMember" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpenseMember_A3D0FB14944E7F7BA2D58E9484C5EFE4" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_E40F9FF663E8757866E48E9484C57161" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpenseMember_A3D0FB14944E7F7BA2D58E9484C5EFE4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_99997EEE6750A387F4E28E9484C5195A" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_4C47158985C6569BBCCC8E9484C50FF7" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_99997EEE6750A387F4E28E9484C5195A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_BAFC5E87E03A764CAAEA8E9484C6E6AD" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_99997EEE6750A387F4E28E9484C5195A" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_BAFC5E87E03A764CAAEA8E9484C6E6AD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_75EAC958D027BCE83FA98E9484C69CF8" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_99997EEE6750A387F4E28E9484C5195A" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_75EAC958D027BCE83FA98E9484C69CF8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_CCFC02FD2EFD1546D8DE8E9484C69AC6" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_99997EEE6750A387F4E28E9484C5195A" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_CCFC02FD2EFD1546D8DE8E9484C69AC6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims" xlink:label="loc_us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims_C7A03964430063066F9A8E9484C66F58" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_99997EEE6750A387F4E28E9484C5195A" xlink:to="loc_us-gaap_IssuanceOfStockAndWarrantsForServicesOrClaims_C7A03964430063066F9A8E9484C66F58" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/StockBasedCompensationFairValueAssumptionsStockOptionsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_2482255E1B54D342AC8D88199D6F9CDD" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_CBD214247882E824AC7C88199D6F8E9A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_2482255E1B54D342AC8D88199D6F9CDD" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_CBD214247882E824AC7C88199D6F8E9A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_07F6A62B7C1EF698929788199D6F29BF" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_CBD214247882E824AC7C88199D6F8E9A" xlink:to="loc_us-gaap_RangeAxis_07F6A62B7C1EF698929788199D6F29BF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_A295A35BF12BDD45DD0888199D6FE589" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeAxis_07F6A62B7C1EF698929788199D6F29BF" xlink:to="loc_us-gaap_RangeMember_A295A35BF12BDD45DD0888199D6FE589" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_EE2D7FFB36A48352BCBD88199D6FFBB9" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeMember_A295A35BF12BDD45DD0888199D6FE589" xlink:to="loc_us-gaap_MinimumMember_EE2D7FFB36A48352BCBD88199D6FFBB9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_FF17FDBD40FEA07A86CE88199D6F179A" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeMember_A295A35BF12BDD45DD0888199D6FE589" xlink:to="loc_us-gaap_MaximumMember_FF17FDBD40FEA07A86CE88199D6F179A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_1ED0F60C45F6AB59CB7C88199D6F84F9" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_CBD214247882E824AC7C88199D6F8E9A" xlink:to="loc_us-gaap_AwardTypeAxis_1ED0F60C45F6AB59CB7C88199D6F84F9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_CAE76187BEF79B19263188199D6F9BB0" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_1ED0F60C45F6AB59CB7C88199D6F84F9" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_CAE76187BEF79B19263188199D6F9BB0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EmployeeStockOptionMember" xlink:label="loc_us-gaap_EmployeeStockOptionMember_AF89E6E3E424CBCB65DC88199D70004B" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_CAE76187BEF79B19263188199D6F9BB0" xlink:to="loc_us-gaap_EmployeeStockOptionMember_AF89E6E3E424CBCB65DC88199D70004B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_59EE63912359052D82F988199D704FAE" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_CBD214247882E824AC7C88199D6F8E9A" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_59EE63912359052D82F988199D704FAE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_C24196DDE9B0C4178D8488199D70AEAC" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_59EE63912359052D82F988199D704FAE" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_C24196DDE9B0C4178D8488199D70AEAC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_843608A4F3310A556B9B88199D705F72" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_59EE63912359052D82F988199D704FAE" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_843608A4F3310A556B9B88199D705F72" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_F112AAE3E4ECFDF91BBF88199D703A8C" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_59EE63912359052D82F988199D704FAE" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_F112AAE3E4ECFDF91BBF88199D703A8C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_AEC0D57E75895DB37FF188199D7051FB" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_59EE63912359052D82F988199D704FAE" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_AEC0D57E75895DB37FF188199D7051FB" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/StockBasedCompensationRestrictedStockDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_A0F755B9482E8840EF24A21BB6B238FE" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_F1963F84601010327150A21BB6B21AC7" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_A0F755B9482E8840EF24A21BB6B238FE" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_F1963F84601010327150A21BB6B21AC7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_B6DF8390CA5E9E0D6A17A21BB6B2E623" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_F1963F84601010327150A21BB6B21AC7" xlink:to="loc_us-gaap_AwardTypeAxis_B6DF8390CA5E9E0D6A17A21BB6B2E623" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_2C76AC7B84C966E583BCA21BB6B22199" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_B6DF8390CA5E9E0D6A17A21BB6B2E623" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_2C76AC7B84C966E583BCA21BB6B22199" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="loc_us-gaap_RestrictedStockMember_2171F99C3B0E105D3421A21BB6B2259C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_2C76AC7B84C966E583BCA21BB6B22199" xlink:to="loc_us-gaap_RestrictedStockMember_2171F99C3B0E105D3421A21BB6B2259C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_4593D7046D91DEB47AFDA21BB6B23A86" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_F1963F84601010327150A21BB6B21AC7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_4593D7046D91DEB47AFDA21BB6B23A86" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted_A9D52CA85F742CFD6C68A21BB6B22451" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_4593D7046D91DEB47AFDA21BB6B23A86" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted_A9D52CA85F742CFD6C68A21BB6B22451" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_58D5D65EAFDCE8558EACA2FE78360694" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_4593D7046D91DEB47AFDA21BB6B23A86" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_58D5D65EAFDCE8558EACA2FE78360694" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/StockBasedCompensationStockOptionPlanActivityDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_062B6A77B1533B8BF3EFA21BB6BC2EE8" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_A98A99D19B96E4077316A21BB6BCBDCB" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_062B6A77B1533B8BF3EFA21BB6BC2EE8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_A98A99D19B96E4077316A21BB6BCBDCB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_0F87E2356516A75F3FC7A21BB6BCEF8D" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_A98A99D19B96E4077316A21BB6BCBDCB" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_0F87E2356516A75F3FC7A21BB6BCEF8D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_30244EC4CFEFC5CA60E3A21BB6BCA5B8" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_A98A99D19B96E4077316A21BB6BCBDCB" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_30244EC4CFEFC5CA60E3A21BB6BCA5B8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_7CFB2018C275D8CCE19BA21BB6BD24DA" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_A98A99D19B96E4077316A21BB6BCBDCB" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_7CFB2018C275D8CCE19BA21BB6BD24DA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_8730EF27380D7D3CB12DA21BB6BDC13B" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_A98A99D19B96E4077316A21BB6BCBDCB" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod_8730EF27380D7D3CB12DA21BB6BDC13B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_26635F631F6FC1C7AC2DA21BB6BD6A1F" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_A98A99D19B96E4077316A21BB6BCBDCB" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_26635F631F6FC1C7AC2DA21BB6BD6A1F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_B6E800CEE84B9402337BA21BB6BD86EE" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_062B6A77B1533B8BF3EFA21BB6BC2EE8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_B6E800CEE84B9402337BA21BB6BD86EE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber_BBD20E97C2A41EE1C07FA21BB6BD394F" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_062B6A77B1533B8BF3EFA21BB6BC2EE8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber_BBD20E97C2A41EE1C07FA21BB6BD394F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_D24D0482F23B010AE7DBA21BB6BD0852" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_062B6A77B1533B8BF3EFA21BB6BC2EE8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_D24D0482F23B010AE7DBA21BB6BD0852" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_2D6F5F5854831E4E03D8A21BB6BD9F78" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_D24D0482F23B010AE7DBA21BB6BD0852" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_2D6F5F5854831E4E03D8A21BB6BD9F78" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_152C8E4B5D43066C7B64A21BB6BDFF24" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_D24D0482F23B010AE7DBA21BB6BD0852" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_152C8E4B5D43066C7B64A21BB6BDFF24" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_DEF779678A82D2CD1156A21BB6BD32DB" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_D24D0482F23B010AE7DBA21BB6BD0852" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_DEF779678A82D2CD1156A21BB6BD32DB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_09E8767BE992D90D2E69A21BB6BD4CF0" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_D24D0482F23B010AE7DBA21BB6BD0852" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_09E8767BE992D90D2E69A21BB6BD4CF0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_FC0250960857C5F57252A21BB6BDB2D7" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_D24D0482F23B010AE7DBA21BB6BD0852" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_FC0250960857C5F57252A21BB6BDB2D7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_2DD1B8D4E4637FB9946AA21BB6BDD0DE" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_062B6A77B1533B8BF3EFA21BB6BC2EE8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_2DD1B8D4E4637FB9946AA21BB6BDD0DE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice_C17E124B50310DCDE205A21BB6BDBF8B" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_062B6A77B1533B8BF3EFA21BB6BC2EE8" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice_C17E124B50310DCDE205A21BB6BDBF8B" xlink:type="arc" />
    <loc xlink:href="qlys-20140630.xsd#qlys_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTermAbstract" xlink:label="loc_qlys_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTermAbstract_2890076DA9FE52E76D3EA21BB6BD9F4A" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_062B6A77B1533B8BF3EFA21BB6BC2EE8" xlink:to="loc_qlys_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTermAbstract_2890076DA9FE52E76D3EA21BB6BD9F4A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_8FD7376B1A44EA1A5A56A21BB6BD8390" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTermAbstract_2890076DA9FE52E76D3EA21BB6BD9F4A" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_8FD7376B1A44EA1A5A56A21BB6BD8390" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1_D8837BDD563C48929D08A21BB6BD65D4" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTermAbstract_2890076DA9FE52E76D3EA21BB6BD9F4A" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1_D8837BDD563C48929D08A21BB6BD65D4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1_3A834B4403BB0F4A5633A21BB6BD1DF9" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTermAbstract_2890076DA9FE52E76D3EA21BB6BD9F4A" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1_3A834B4403BB0F4A5633A21BB6BD1DF9" xlink:type="arc" />
    <loc xlink:href="qlys-20140630.xsd#qlys_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValueAbstract" xlink:label="loc_qlys_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValueAbstract_FB02477EF25C8264D37FA21BB6BD62DF" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_062B6A77B1533B8BF3EFA21BB6BC2EE8" xlink:to="loc_qlys_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValueAbstract_FB02477EF25C8264D37FA21BB6BD62DF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_85E0E8AD017B540793A6A21BB6C315D5" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValueAbstract_FB02477EF25C8264D37FA21BB6BD62DF" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_85E0E8AD017B540793A6A21BB6C315D5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue_E8352205FAEED103ACA9A21BB6C368BC" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValueAbstract_FB02477EF25C8264D37FA21BB6BD62DF" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue_E8352205FAEED103ACA9A21BB6C368BC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue_D8528FE71877D58876AFA21BB6C3291F" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_qlys_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValueAbstract_FB02477EF25C8264D37FA21BB6BD62DF" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue_D8528FE71877D58876AFA21BB6C3291F" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/StockBasedCompensationStockOptionsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_ABED1DCFDB991ABD06DF884FE08D03FD" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_C7DABB29D95F499DDE85884FE08DFA35" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_ABED1DCFDB991ABD06DF884FE08D03FD" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_C7DABB29D95F499DDE85884FE08DFA35" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="loc_us-gaap_PlanNameAxis_E57255AEAC535A41140A884FE08D8361" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_C7DABB29D95F499DDE85884FE08DFA35" xlink:to="loc_us-gaap_PlanNameAxis_E57255AEAC535A41140A884FE08D8361" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_39E3DE8D10B6B0A5BEE1884FE08DA906" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PlanNameAxis_E57255AEAC535A41140A884FE08D8361" xlink:to="loc_us-gaap_PlanNameDomain_39E3DE8D10B6B0A5BEE1884FE08DA906" xlink:type="arc" />
    <loc xlink:href="qlys-20140630.xsd#qlys_A2012EquityIncentivePlanMember" xlink:label="loc_qlys_A2012EquityIncentivePlanMember_A020D2009369F3D88703884FE08D1F6E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PlanNameDomain_39E3DE8D10B6B0A5BEE1884FE08DA906" xlink:to="loc_qlys_A2012EquityIncentivePlanMember_A020D2009369F3D88703884FE08D1F6E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_77C03113F0966F2602D1884FE08DB177" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_C7DABB29D95F499DDE85884FE08DFA35" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_77C03113F0966F2602D1884FE08DB177" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_5DF6B5660B0CDA88143B884FE08EEC1D" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_77C03113F0966F2602D1884FE08DB177" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_5DF6B5660B0CDA88143B884FE08EEC1D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_C582303FE0031ECA8662884FE08ECF45" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_77C03113F0966F2602D1884FE08DB177" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_C582303FE0031ECA8662884FE08ECF45" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.qualys.com/role/StockBasedCompensationTables" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_56849C9E511B135E5B4E88073D86290E" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock" xlink:label="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock_7693FA6799175ED6E2BF88073D861A58" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_56849C9E511B135E5B4E88073D86290E" xlink:to="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock_7693FA6799175ED6E2BF88073D861A58" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_2E2B64B23E7F04246B0D88073D8644BC" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_56849C9E511B135E5B4E88073D86290E" xlink:to="loc_us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_2E2B64B23E7F04246B0D88073D8644BC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_61405166D660791F8F4988073D863F90" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_56849C9E511B135E5B4E88073D86290E" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_61405166D660791F8F4988073D863F90" xlink:type="arc" />
  </presentationLink>
</linkbase>
