A Navy veteran, Harold Martin was a contractor for the National Security Agency. His arrest followed news of a devastating disclosure of government hacking tools by a mysterious internet group calling itself the Shadow Brokers.
A monument was unveiled at Maxwell Air Force Base, Alabama, to mark the 50th anniversary of 12 airmen who died defending Lima Site 85, a classified outpost in Laos that was overrun by North Vietnamese fighters in 1968.
Do you have a security clearance? That can be worth big bucks to employers, and to you! Get some expert advice on how to make the most of it in this Ask the Experts feature.