The use of civilian software to discuss sensitive military and government matters came to light after a journalist from The ...

WASHINGTON (AP) — The attempts by President Donald Trump and top leaders of his administration to downplay a security breach ...

Democrats on a House committee appeared in lock step as they confronted one of the most notable blunders of the Trump ...

Leaked texts reveal concerns from senior officials on security risks facing the Trump admin amid rising threats of hacking.

On Tuesday evening, Rumeysa Ozturk, a Turkish Ph.D. student at Tufts University with a valid F-1 visa, was detained by ...

Congressman Andre Carson calls for consequences after Trump officials used Signal app to discuss planned air strike.

Defense Secretary Pete Hegseth still refuses to give a straight answer on when exactly he declassified the plans he shared in ...

The Atlantic on Wednesday published a transcript of top Trump administration officials’ group chat this month discussing an ...

Read a line-by-line analysis of the war plans shared over a Signal group chat, with additional reporting and context from CNN ...

Plans for an attack against an enemy target are classified in America. But the private views of high-ranking officials about ...

Trump and his underlings commit an unforgiveable breakdown of national leadership, and all he can do is deny, deny, deny.

Trump administration spy chiefs had difficulty fending off arguments from lawmakers that the information in a leaked group chat would normally be classified.