They all lost their federal security clearances as a result of the lapses, ending their work for the Pentagon. The ...

The app facilitated communications in a building where cell service is poor and personal phones are not allowed in some areas ...

Pete Hegseth just can’t stop himself from using Signal. The defense secretary installed the encrypted-but-unclassified ...

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

The controversy-stoking U.S. secretary of defense spoke at the U.S. Army War College but didn't address his Signal chat ...

Defense Secretary Pete Hegseth reportedly twice shared operational details about military missions via Signal, a commercial ...

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

The defense secretary has denied that he shared classified war plans about U.S. airstrikes targeting Houthi militants in ...

The White House has insisted no classified information has been shared on messaging platform Signal after reports emerged ...

Defense Secretary Pete Hegseth created another Signal messaging chat that included his wife and brother where he shared ...

Secretary of Defense Pete Hegseth allegedly shared sensitive intelligence about impending military operations in Yemen with ...

The Secretary of Defense shared sensitive information with people who had no reason to need to know about these upcoming ...