Are You Being Followed? Use a Raspberry Pi to Find Out - PCMag AU

Using inexpensive components, a Black Hat presenter built a device that sniffs the airwaves to check for people on your tail.

In the movies, a hero can always tell he's being followed because the goons tasked with following him never blend in. In real life, figuring out if someone is tailing you is much trickier, and can be… [+5116 chars]

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