Cell-site simulators (CSS, also known as Stingrays or IMSI catchers) are devices that masquerade as legitimate cell-phone towers, tricking phones within a certain radius into connecting to the device rather than a tower. Our new tool, Rayhunter, can help you find them.
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Meet Rayhunter: A New Open Source Tool from EFF to Detect Cellular Spying
At EFF we spend a lot of time thinking about Street Level Surveillance technologies—the technologies used by police and other authorities to spy on you while you are going about your everyday life—suc...
