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PrivacyAttacksDefenses姜育刚，马兴军，吴祖煊SalvadorDalí,“ThePersistenceofMemory,”1931
Recap:week8DataExtractionAttackDefenseModelStealingAttackFutureResearch
ThisWeekMembershipInferenceAttackDifferentialPrivacy
MembershipInferenceAttackDifferentialPrivacy
MembershipInferenceAttack
MembershipInferenceAttack推理一个输入样本是否存在于训练数据集中Shokri,Reza,etal.Membershipinferenceattacksagainstmachinelearningmodels.?SP,2017.存在？
PrivacyandEthicalProblemsMIAcouldcausethefollowingharms:Leakprivateinfo:someonehasbeentosomeplaceorhavinganunspeakableillnessExposeinfoaboutthetrainingdataMIAsensitivityalsoindicatesdataleakagerisk
AnEarlyWorkHomer,Nils,etal.ResolvingindividualscontributingtraceamountsofDNAtohighlycomplexmixturesusinghigh-densitySNPgenotypingmicroarrays.?PLoSgenetics?4.8(2008):e1000167.判断个人基因是否出现在一个复杂的混合基因里可用于调查取证
MIA：TheMostWell-knownWorkShokri,Reza,etal.Membershipinferenceattacksagainstmachinelearningmodels.?SP,2017.0Black-boxattackpipelineNeedsprobabilityvector
MIA：TheMostWell-knownWorkShokri,Reza,etal.Membershipinferenceattacksagainstmachinelearningmodels.?SP,2017.TrainkshadowmodelsondisjointdatasetsSampleanumberofsubsetsfromDTrainamodeloneachofthesubsetTakeonemodelasthetargetTaketherestmodelsasshadowmodels
MIA：TheMostWell-knownWorkShokri,Reza,etal.Membershipinferenceattacksagainstmachinelearningmodels.?SP,2017.Differentwaystogetthetrainingdata：RandomSynthesisDatasynthesisPhase1:searchingforhighconfidencedatapointsinthedataspacePhase2:samplesyntheticdatafromthesepointsRepeattheaboveforeachclasscPhase1:每次只改变已找到的高置信度样本的k个特征
MIA：TheMostWell-knownWorkShokri,Reza,etal.Membershipinferenceattacksagainstmachinelearningmodels.?SP,2017.Statistics-basedsynthesisPriorknowledge:Themarginaldistributionw.r.t.eachclassPhase1:sampleaccordingtothestatistics
MIA：TheMostWe
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