Hackaday Prize Entry: Catch The IMSI Catchers
An IMSI catcher is an illicit mobile phone base station designed to intercept the traffic from nearby mobile phones by persuading them to connect to it rather than the real phone company tower. The IMSI in the name stands for International Mobile Subscriber Identity, a unique global identifier that all mobile phones have. IMSI catchers are typically used by government agencies to detect and track people at particular locations, and are thus the subject of some controversy.
As is so often the case when a piece of surveillance technology is used in a controversial manner there is a counter-effort against …read more
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