Remote laser security camera defeat

August 11, 2007 By 35 Comments


[John] sent in this cell phone activated rifle scope laser security camera blinder. The phone plays a tone when it receives a SMS message. The sound activates an audio controlled relay. (Not elegant, but it works) which powers a laser that’s been mounted to a rifle scope. The scope is used to align the laser with the target lens – … Read the rest

Filed Under: laser hacks

CCCamp 2007: GSM A5 cracking

August 11, 2007 By 15 Comments


Steve Schear and David Hulton gave a presentation on A5 cracking. A5 is the encryption employed on GSM cellphone networks between the handset and the tower (nowhere else in the network). To sniff the GSM band, they use the GNU radio USRP. GNU radio is a software defined radio project, which given some effort you should be able to … Read the rest

Filed Under: Cellphone Hacks