Lawmakers and legal experts claim the Yemen Signal group chat ‘blatantly violated security regulations designed to prevent exactly this kind of leak’ ...

Newsweek has reproduced all the Signal group messages that were published by The Atlantic, either by being written out by ...

Clinton reacted to the news of the Trump administration's use of Signal, writing on X, "You have got to be kidding me." ...

US President Donald Trump and his intelligence chiefs have played down a security breach that saw a journalist invited into a ...

Defense Secretary Pete Hegseth on Tuesday fended off a reporter’s questions about a leaked Signal chat group about forthcoming strikes on the Houthis in Yemen.

US Defence Secretary Pete Hegseth is facing a fresh legal trouble after Pentagon school students have filed a lawsuit against ...

Sources tell CBS News the Signal chat involving senior Trump administration officials included sensitive intelligence Israel ...

A Pentagon-wide advisory that went out one week ago warned against using Signal, the messaging app, even for unclassified ...

The leak of the Signal group chat about the US’s March 15 attack in Yemen occurred because Waltz inadvertently added Atlantic editor in chief Jeffrey Goldberg into the chat named “Houthi PC Small ...

President Donald Trump revealed a staffer with national security advisor Mike Waltz's office added the editor in chief of the Atlantic to a Signal group chat.

But the US national security adviser said he could not explain how a journalist was added to a chat discussing air strikes in ...

The lack of public contrition, let alone resignations, from top officials, reflects a White House that operates in a culture ...