The clone, TeleMessage, was the subject of a reported hack in which the contents of some direct messages and group chats were ...

Secretary of Defense Pete Hegseth has faced multiple allegations of sharing classified information on Signal, a commercially ...

The Department of Defense introduced the policy to ensure operational safety will not be threatened by unimportant matters ...

Waltz was ousted Thursday, several weeks after the eruption of a scandal over his creation of a Signal group to share ...

An information exposure flaw in TeleMessage has been added to CISA’s Known Exploited Vulnerabilities catalog. The ...

A Signal-like app used by a Trump adviser was reportedly hacked, raising concerns about the security of top-level US ...

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

More than a month after he drew criticism for using Signal to discuss an impending military attack, Waltz was seen using what ...

The unofficial Signal app used by ex-National Security Adviser Mike Waltz was reportedly hacked, exposing vulnerabilities in ...

Mike Waltz faces scrutiny after a photo revealed his use of TM SGNL, a modified Signal app, raising security concerns due to ...

President Donald Trump said Thursday that he would nominate outgoing national security adviser Mike Waltz to be the U.S.

Hegseth’s digital practices and security have been under scrutiny since he discussed the precise timing of those airstrikes in at least two chats on Signal, a free, encrypted messaging app.