Despite what amounts to among the most startling security snafus in recent memory -- one that would almost certainly trigger ...

Colo., told Morning Edition that "the risk of casualties goes up tremendously" if adversaries learn of military operations.

A retired general tore into Trump Cabinet members for endangering military personnel by using a messaging app to discuss ...

End-to-end encryption is useful, secure, and reliable. But it’s just not enough.

The recent security breach by top U.S. national security advisers using the Signal messaging app has put a new “gate” in our ...

In 1938, the director of the Signal Corps Laboratories at Fort Monmouth, New Jersey, Col. Roger B. Colton, transformed ...

Experts who spoke with Military.com said it's highly unlikely that operational details at the level Goldberg described would ...

Republican and Democratic leaders on the Senate Armed Services Committee are requesting a formal investigation into the ...

OPSEC, or operational security, is a military priority. Accidentally sharing combat action plans over an unsecured app is ...