encryption

Watch: U.S. intelligence leaders testify in House after Signal flap

The use of civilian software to discuss sensitive military and government matters came to light after a journalist from The Atlantic magazine said he was mistakenly added to a group chat on Signal.

‘Heads are exploding’: How security experts see the Signal war-plan breach

The breach left military and intelligence experts asking the same questions as the public: Why would top U.S. officials use a free messaging app to discuss classified military plans?