These days, if you’re walking around with a cellphone, you’ve basically fitted an always-on tracking device to your person. That’s even more the case if there happens to be an eavesdropping device in ...

Over the past decade, Serbia has imported more than 20 IMSI catchers, capable of indiscriminately harvesting communications from all mobile phones within a certain area. Experts say their use is not ...

Mobile network anomalies consistent with cell phone surveillance were detected at a July 4 protest at an Immigration and Customs Enforcement field office in Washington state. Those anomalies, ...