PowerSpy Location Tracking using Mobile Device Power Analysis 利用移动设备功率分析进行位置跟踪

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1、PowerSpy:LocationTrackingusingMobileDevicePowerAnalysisYanMichalevsky,AaronSchulman,GunaaArumugamVeerapandian,andDanBoneh,StanfordUniversity;GabiNakibly,NationalResearchandSimulationCenter/RafaelLtd.https://www.usenix.org/conference/usenixsecurity15/t

2、echnical-sessions/presentation/michalevskyThispaperisincludedintheProceedingsofthe24thUSENIXSecuritySymposiumAugust12–14,2015•Washington,D.C.ISBN978-1-931971-232OpenaccesstotheProceedingsofthe24thUSENIXSecuritySymposiumissponsoredbyUSENIXPowerSpy:Loca

3、tionTrackingusingMobileDevicePowerAnalysisYanMichalevsky,AaronSchulman,GabiNakiblyGunaaArumugamVeerapandianandDanBonehNationalResearchandSimulationCenterComputerScienceDepartmentRafaelLtd.StanfordUniversityAbstractThestrengthofthecellularsignalisamajo

4、rfactoraffect-ingthepowerusedbythecellularradio[29].Moreover,ModernmobileplatformslikeAndroidenableapplica-thecellularradioisoneofthemostdominantpowercon-tionstoreadaggregatepowerusageonthephone.Thissumersonthephone[14].informationisconsideredharmless

5、andreadingitre-Supposeanattackermeasuresinadvancethepowerquiresnouserpermissionornotification.Weshowthatprofileconsumedbyaphoneasitmovesalongasetofbysimplyreadingthephonesaggregatepowercon-knownroutesorinapredeterminedareasuchasacity.sumptionoveraperiod

6、ofafewminutesanapplicationWeshowthatthisenablestheattackertoinferthetar-canlearninformationabouttheuserslocation.Aggre-getphoneslocationoverthoseroutesorareasbysimplygatephonepowerconsumptiondataisextremelynoisyanalyzingthetargetphonespowerconsumption

7、overaduetothemultitudeofcomponentsandapplicationsthatperiodoftime.Thiscanbedonewithnoknowledgeofsimultaneouslyconsumepower.Nevertheless,byusingthebasestationstowhichthephoneisattached.machinelearningalgorithmsweareabletosuccessfullyAmajortechnicalchal

8、lengeisthatpowerisconsumedinferthephoneslocation.Wediscussseveralwaysinsimultaneouslybymanycomponentsandapplicationsonwhichthisprivacyleakcanberemedied.thephoneinadditiontothecellularradio.Ausermaylaunchapplications,listentomusic,turnthescreen