Defcon 18 - Practical Cellphone Spying - Chris Paget - Part.mov

Worse since they're expensive and pushed by the manufacturer to the point you cannot physically plug a 3.5mm male plug into a female adapter on the newer phones -- you are forced to buy a dongle. Meanwhile the intelligence agencies of the world siphon up signals like hungry hungry hippos because SDRs are cheap and ubiquitious, when ten-ish years ago they were poorly documented, expensive, and the encryption schemes used strong enough using 4g over wifi was a very practical security decision. Here's an old talk that references someone's deadname with good technical information: [this video] And a more recent talk on similar subjects: [link] | [link] (Apologies to Kristin, if they see this: I had trouble locating JUST the slides, not audio or video, of the DC18 talk or I would have simply linked the slides.)