Audio masking is portable RF shielding's missing ingredient -- Defense Systems
By Mike Fong May 14, 2021 In recent years, the Department of Defense has made a number of efforts to tackle the problems presented by personnel using mobile devices. In 2018, the DOD restricted smartphone usage within secure spaces at the Pentagon -- carving out an exception for government-issued devices with the cameras and microphones removed -- and banned active-duty military from using mobile apps that tap GPS. From a distance, these moves may have seemed like overreactions. Yet the Pentagon knew that any smartphone, when targeted by a threat actor of the nation-state variety, can be turn...