U.S. Sen. Pete Ricketts called for accountability in the Trump administration’s sharing of military attack plans with a journalist on a group chat app but said he’d leave it to President Donald Trump ...

The federal office in charge of ensuring cybersecurity at all levels of the government cited the use of encrypted messaging app Signal as a "best practice" for "highly targeted" government officials, ...

WASHINGTON (NEXSTAR) – The national security advisor to the president has taken responsibility for the latest controversy involving the use of a chat app to discuss plans to strike Yemen. The ...

The nation’s top intelligence officials have told lawmakers that it was routine for them to discuss sensitive national security issues on the encrypted messaging app Signal. It’s widely used at their ...

WASHINGTON − The Atlantic magazine published Secretary of Defense Pete Hegseth's messages to a group chat detailing the times and weapons used to strike Houthi targets in Yemen, as the fallout ...

The messages had been set to delete in violation of record-keeping requirements. A federal judge has ordered the Trump administration to preserve the contents of the chat in which top national ...

Sue Gordon, the former deputy director of national intelligence in the first Trump administration, said the “risk of loss” from the Signal group chat could have been “profound.” Gordon joined CBS News ...

In an extraordinary national security breach, secret U.S. war plans against the terrorist Houthi militia in Yemen were shared by senior officials in a group chat on a commercial messaging app that ...

Hillary Clinton said the Trump administration officials who discussed a forthcoming strike on a Houthi target in a Signal chat to which a journalist was accidentally added "put our troops in jeopardy.