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Hackers英语ppt展示.ppt

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Hackers,Crackers,essIntrusiondetectionandpreventionHackerTermsHacking-puterexpertiseCracking-breachingsecurityonsoftwareorsystemsPhreaking-worksSpoofing-fakingtheoriginatingIPaddressinadatagramDenialofService(DoS)-worktrafficsothatitcan’trespondanymorePortScanning-searchingforvulnerabilitiesHackingthroughtheages1969-Unix‘hacked’together1971-Cap‘nCrunchphoneexploitdiscovered1988-wormcrashes6,000servers1994-$ounts1995-KevinMitnicksentencedto5yearsinjail2000-umbtoDDoS2000-15,700creditanddebitcardnumbersstolenfromWesternUnion(hackedwhilewebdatabasewasundergoingmaintenance)rate&spreadprobesrandomIPsforsystemsrunningIIShadtriggertimefordenial-of-serviceattack2ndwaveinfected360000serversin14hoursCodeRed2-hadbackdoorinstalledtoallowremotecontrolNimda-usedmultipleinfectionmechanismsemail,shares,webclient,IIS2002–SlammerWormbringswebtoitskneesbyattackingMSSQLServerThethreatsDenialofService(Yahoo,N,MS)Defacing,Graffiti,Slander,ReputationLossofdata(destruction,theft)Divulgingprivateinformation(AirMiles,corporateespionage,personalfinancial)Lossoffinancialassets(CitiBank)–theBadGuysWhiteHats–ProfessionalSecurityExpertsScriptkiddiesMostlykids/studentsUsertoolscreatedbyblackhats,TogetfreestuffImpresstheirpeersNotgetcaughtUnderemployedAdultHackersFormerScriptKiddiesCan’munityBigineasterneuropeancountriesIdeologicalHackershackasamechanismtopromotesomepoliticalorideologicalpurposeUsuallycoincidewithpoliticaleventsTypesofHackersCriminalHackersRealcriminals,areinitforwhatevertheycangetnomatterwhoithurtsCorporateSpiesArerelativelyrareDisgruntledEmployeesMostdangeroustoanenterpriseastheyare“insiders”workservicesadisgruntledvendorcouldbeverydangeroustothehostenterpriseTopintrusionjustificationsI’mdoingyouafavorpointingoutyourvulnerabilitiesI’mmakingapoliticalstatementBecauseIcanBecauseI’mpaidtodoit

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