The US Department of Homeland Security (DHS) says it has detected strange fake cellphone towers – known as IMSI catchers – in America’s capital. These devices, which can masquerade as real phone masts to track people’s movements and potentially eavesdrop on calls and texts, represent a real and growing security risk, the agency said. And whoever is operating them in Washington DC is, we’re told, a mystery to Uncle Sam’s g-men.
ORIGINAL SOURCE: The Register