Android 4.2 still vulnerable to SIM Toolkit attack

A couple of hours ago the update to Android 4.2 has been made available. One of the new security features is that it also protects from the premium SMS when an app tries to send them. How Android knows about premium messages is that it reads an XML list where each country has it’s own [...]

avast Mobile Security is sending SMS without user knowledge

UPDATE: I have been contacted by Avast to clarify this SMS issue and I’m working with them to fix this. I think I found the bug and, if proven, it’s something really funny. I hope I’ll be able to update you soon as I am leaving to EUSecWest conference. UPDATE2: It was not the bug [...]

About SIM card tracker app

simcard

Yesterday a tweet got my attention: “sim card tracker found on all orange sim cards. sends location, IMEI to operator, without your knowledge“.¬† As I am a little bit suspicious about this kind of things, I have asked to¬†define “all” and “without your knowledge”. Immediately came the reply which confirmed my feeling: “the smart card [...]

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