The outlet claimed that the account, which used the name “Michael Waltz” and had a profile picture with Waltz in it, included ...

Security experts weigh in on Trump White House Signalgate, national security, and the cybersecurity risks associated with human error.

He has never sent classified material over his personal email account or any unsecured platform,” the spokesperson insisted.

Mary McCord, Former Acting Assistant Attorney General for National Security at the Justice Department join Nicolle Wallace on ...

Amid the furore around the US government's data leak, in which a journalist was added to a social media group chat between ...

Some military spouses and veterans are questioning the White House’s handling of security after a journalist was accidentally ...

President Trump said his national security adviser, Mike Waltz, "learned a lesson" after he opened up a secret chat of Trump ...

U.S. security officials' private contact information and passwords have been found online within days of the Signal scandal.

Regardless of app security, experts say communicating the military plans of the U.S. government in a non-classified space ...

Senior members of the Trump administration have come under fire after a journalist was accidentally included in a group chat ...

Jeffrey Goldberg, the editor-in-chief of The Atlantic who was added to a group chat, wrote that he had "never seen a breach ...

Now Myatt is among some military spouses and veterans questioning the White House's own adherence to ... Although Trump has downplayed the security breach as a “glitch,” Myatt found it deeply ...