From last year's Chaos event: http://events.ccc.de/congress/2009/Fahrplan/events/3654.en.html http://events.ccc.de/congress/2009/Fahrplan/events/3654.en.h...

From last year's Chaos event: http://events.ccc.de/congress/2009/Fahrplan/events/3654.en.html http://events.ccc.de/congress/2009/Fahrplan/events/3654.en.h... "From the total lack of network to handset authentication, to the "Of course I'll give you my IMSI" message, to the iPhone that really wanted to talk to us. It all came as a surprise -- stunning to see what $1500 of USRP can do. Add a weak cipher trivially breakable after a few months of distributed table generation and you get the most widely deployed privacy threat on the planet."