Derek Harvey, a military intelligence analyst and retired U.S. Army colonel, is expected to be named senior director for ...

A special bulletin from the National Security Agency said Russian hackers were able to spy on the encrypted messaging app ...

The national security adviser's use of the messaging app is under scrutiny after he mistakenly added a journalist to a sensitive chat.

Why was the national security adviser doing the tedious administrative work of setting up a chat group that should have been ...

Former national security officials reacted with shock and horror to revelations in The Atlantic that top members of President ...

The National Security Agency sent out an operational ... of vulnerabilities in using the encrypted messaging application Signal, according to internal NSA documents obtained by CBS News.

CEO Nicholas Thompson on the editorial independence that shaped the magazine’s blockbuster story—and the business risks of ...

Senior members of the US National Security Council, including the White House national ... and it claims the adviser routinely copied his personal schedule from Gmail into Signal messages to share ...

The White House’s assertion that the case is closed surrounding national security officials’ use of Signal is getting ...

National security advisor Michael Waltz commented on the Signal text chain leak during an appearance on "The Ingraham Angle." ...

President Donald Trump's second administration has not been lacking in scandal. One of the largest incidents recently ...

The Trump administration is in damage-control mode after Jeffrey Goldberg, editor of the Atlantic, revealed that he was added to a Signal messenger ... with how U.S. national-security officials ...