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

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 ...

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

Hegseth reportedly used Signal to discuss media appearances, foreign travel, scheduling, and other unclassified but sensitive ...

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

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

Department of Defense Secretary Pete Hegseth shared details about an imminent attack on Houthis in Yemen in March in a second ...

The Hegseth Signal Chat left many questions unanswered. In this video, we uncover the truth about what transpired.

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, ...

House Republicans blocked a resolution that could have forced an investigation into Defense Secretary Pete Hegseth. Rep. Adam ...

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.