CWSP Guide to Wireless Security.ppt


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heenterprisesecuritymodel2CWSPGuidetoWirelessSecurityWirelessSecuritySolutionsWEPsuffersfromseriousweakness“Band-aid”-ess(WPA)Wi-ess2(WPA2):(AES)(continued)(continued)-by-portbasisUntiltheclientisauthenticatedusingcredentialsstoredonanauthenticationserverKey-workIfauserroamsawayandlaterreturnsShedoesnotneedtore-(continued)(continued)Pre-eauthenticatedtoanAPBeforemovingintorangeoftheAPDevicesendsapre-esspoints8CWSPGuidetoWirelessSecurityWi-ess(WPA)(TKIP)TKIPkeysareknownasper--ess(WPA)(continued)TKIPdistributesthekeytowirelessdevicesandAPSettingupanautomatedkeyhierarchyandmanagementsystemWPAreplacestheCyclicRedundancyCheck(CRC)withtheMessageIntegrityCheck(MIC)Designedtopreventanattackerfromcapturing,altering,andresendingdatapacketsProvidesastrongmathematicalfunctionClientsarede-ursOptionalfeature10CWSPGuidetoWirelessSecurity

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