President Trump on Thursday confirmed a reported purge of national security agencies this week, with firings of at least a ...

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

President Donald Trump confirmed that multiple employees within the National Security Council were fired Thursday, adding to ...

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

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

After 'Signalgate,' the encrypted communication app is rocketing up the app charts—even as the Trump administration attempts ...

President Donald Trump and his administration raised eyebrows about how they handled sensitive national security information ...

Former members of the defense and intelligence communities wonder who’s in charge of policy and operations — and if they’re ...

Officials will have to find ways to overcome the need for special buildings and rooms.

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

President Trump told reporters he does not believe national security adviser Mike Waltz should apologize for inadvertently adding a reporter to a Signal group chat.

The Trump administration has fired Timothy Haugh, the head of the National Security Agency (NSA) and Cyber Command, several news publications reported overnight into Friday.