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

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

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.

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

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

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 ...

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

“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 ...

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

National security advisor Mike Waltz's job is not in jeopardy after The Atlantic's reported a security breach on a Signal text chain with Cabinet officials.

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

There are calls in government and media circles for some of the officials involved to resign. But behind the uproar lies a deeper problem with how U.S. national-security officials communicate.