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微软正式终止对XP的安全服务SupportforthevenerableWindowsXPoperatingsystemendsthisTuesday.本周四微软对XP操作系统的安全服务将终止。ItmeansthattherewillbenomoreofficialsecurityupdatesandbugfixesfortheoperatingsystemfromMicrosoft.SomegovernmentshavenegotiatedextendedsupportcontractsfortheOSinabidtokeepusersprotected.Securityfirmssaidanyoneelseusingthe13-year-oldsoftwarewouldbeatincreasedriskofinfectionandcompromisebycyber-thieves.OldcodeStatisticssuggest20-25%ofallusershavestuckwithXPdespitethefactthattherehavebeenthreemajorreleasesofWindowssinceitsdebutin2001.SomeofthoseexistingXPusershavestruckdealstogetsecurityfixesfromMicrosoftwhiletheycompletetheirmigrationawayfromtheageingcode.TheUKgovernmenthassigneda£5.5mdealforextendedsupport.SimilarlytheDutchgovernmenthassigneda"multi-millioneuro"dealtoobtainhelpforthe40000PCsrunningXPusedbythenation'scivilservants.AnyonecurrentlyrunningWindowsXPalreadyfacedadisproportionateriskoffallingvictimtomalwaresaidDaveEmmaseniorresearchanalystatsecurityfirmKaspersky."OurdataindicatesthatlessthanonefifthofourcustomersrunWindowsXPbutmorethanaquarterofinfectionsareWindowsXP-based"hesaid.