Three federal departments prohibited their employees from accessing TeleMessage — a message archiving app that former ...

President Donald Trump has removed National Security Adviser Mike Waltz, a frequent target of the “anti-neocon Trumpist” camp. However, Trump softened the blow by nominating Waltz for the position of ...

TeleMessage is investigating a potential security incident after a hacker claimed to steal sensitive data from the app, which former National Security Adviser Michael Waltz allegedly used to ...

The Washington Post reported that Donald Trump soured on Waltz over Waltz's support for an Israeli attack on Iran.

Mike Waltz was removed as Trump's national security adviser and faces Senate confirmation as the new nominee to be ambassador to the U.N.

Following the ousting of Mike Waltz, Trump is contemplating Stephen Miller for the National Security Adviser role.

Secretary of State Marco Rubio's new job as national security adviser sets the former Donald Trump rival up for a bigger role ...

Revelations about the defense secretary’s passwords came after he discussed details of planned U.S. airstrikes on a messaging ...

A communications app used by the Trump administration’s national security adviser has suspended services after it was ...

The messaging app used by some members of the Trump administration and the US government has been hacked, according to a new ...

A group of President Donald Trump’s cabinet members who inadvertently included the editor of the Atlantic in their Signal ...

Marco Rubio serving as both Secretary of State and national security adviser could be "ultimately disadvantageous" to ...