The White House is starting to rebuild the National Security Council with aides top officials believe are staunchly aligned ...

Why was the national security adviser doing the tedious administrative work of setting up a chat group that should have been left to his special assistant? Why was Mr. Waltz using Signal rather than ...

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

The Trump administration's IT team members investigated how Atlantic editor-in-chief Jeff Goldberg was added to a Signal ...

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

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

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.

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

National security adviser Mike Waltz’s team regularly set up chats on Signal to coordinate official work on issues including Ukraine, China, Gaza, Middle East policy, Africa and Europe ...

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 ...

A guide from the national intelligence director’s office says “information providing indication or warning that the U.S. or ...

“It was a mistake that a reporter was inadvertently added to a Signal chat with high-level national security principles, having a policy discussion about imminent strikes against the Houthis and ...