\input zb-basic \input zb-ioport \iteman{io-port 70376378} \itemau{Ongtang, Machigar; Butler, Kevin R. B.; Mcdaniel, Patrick Drew} \itemti{Porscha: policy oriented secure content handling in android} \itemso{ACSAC, 221-230 (2010).} \itemcc{} \itemut{} \itemli{doi:10.1145/1920261.1920295} \end