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There are ways to detect the use of StingRays by using a program written by SRLabs in Berlin called "Snoop Snitch", but it works on SOME but not on all Android phones, and works on a certain chip set. Apple, however, will never allow access to the "baseband" (radio part of the phone), like Android does.

So stuff like what we see in Watch Dogs (the game) is possible? lol

I know about SDR, they are used in OpenBTS, an open source system used with Asterisk PBX systems. in 2013 Burning man, someone setup a cell phone tower for people to use SMS messaging, but with no SS7 access, all they can do is send messages.

Yeah I kinda figured you would know about them. :) But the guy I was responding to was looking for a good place to start so I was giving him some search terms.

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