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One Small Fix Would Curb Stingray Surveillance

Published: Jan. 30, 2020, 6:20 a.m.

Law enforcement in the United States, international spies, and criminals have all used (and abused) the surveillance tools known as "stingrays" for more than a decade. The devices can track people's locations and even eavesdrop on their calls, all thanks to weaknesses in the cellular network. Today, researchers are detailing a way to stop them\u2014if only telecoms would listen.