Mobilemalwareisrapidlybecomingaseriousthreat.Inthispaper,wesurveythecurrentstateofmobilemalwareinthewild.Weanalyzetheincentivesbehind46piecesofiOS,Android,andSymbianmalwarethatspreadinthewildfrom2009to2011.Wealsousethisdatasettoevalu-atetheeectivenessoftechniquesforpreventing