Stingray surveillance: How does it work?

From Privacy SOS:

AJ+ made this short, informative video explaining how cell-site simulators (also known as “IMSI catchers” and “stingrays”) work. Share it with your friends and family, and make sure you tell them to download Signal onto their smartphones. The free, easy to use, end-to-end encrypted app keeps your messages secure, defeating all kinds of tricky government and corporate surveillance—including stingray spying!

 

 

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