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." ...

A watchdog group has said the exchanges on the Signal app were federal records, and sued in an effort to preserve them.

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.

The White House claimed no classified information was shared in the chat ... can argue the leak meets certain criteria of the Espionage Act. “The operational strike plans for Yemen meet the ...

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.

Military and intelligence experts and some members of Congress have expressed shock over the inadvertent leak, raising questions ... Houthi rebels in Yemen hours before they happened, because he was ...

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

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

KNOWN: Signal is a publicly available ... specifics of a military attack to a chat group that included a journalist hours before the attack took place in Yemen has raised many questions.

President Trump suggested Wednesday that the Signal messaging platform his top national security brass used to discuss the Houthi strike may be “defective.” While defending Defense Secretary Pete ...