Records show defense contractors lost security clearances when they had no intention to leak information or were using unauthorized technology for convenience.

The move was intended to circumvent a lack of cellphone service in much of the Pentagon and enable easier communication ...

Defense Secretary Pete Hegseth shared detailed plans about a military operation against the Houthis in Yemen on a second Signal group chat, this one on his personal phone and including his wife, ...

Last month, after news broke that Secretary of Defense Pete Hegseth was using Signal to discuss sensitive military operations ...

Secretary of Defense Pete Hegseth has faced allegations of sharing classified information on Signal, a commercially available ...

In one case, he told aides on the encrypted app to inform foreign governments about an unfolding military operation, people ...

Here’s what to know about the reports of another group chat in which the Defense Secretary shared sensitive information.

The extent of Secretary of Defense Pete Hegseth’s use of Signal at the Pentagon has been laid bare in a new report that ...

WASHINGTON (AP) — Defense Secretary Pete Hegseth had an internet connection that bypassed the Pentagon’s security protocols set up in his office to use the Signal messaging app on a personal computer, ...

The news comes about a month after the editor-in-chief of The Atlantic was mistakenly added to a separate Signal chat with ...

WASHINGTON — The White House expressed support Monday for Defense Secretary Pete Hegseth after media reports that he shared ...

There are some hurdles former National Security Advisor Mike Waltz must clear first before the United Nations ambassador job is his — including undergoing a Senate confirmation process.