A photo taken this week showed Mike Waltz using an app that looks like—but is not—Signal to communicate with top officials.

Days after former National Security Adviser Mike Waltz was caught using a knock-off Signal app, a hacker broke into the ...

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

A new analysis of TM Signal’s source code appears to show that the app sends users’ message logs in plaintext. At least one ...

The Trump administration ousted national security advisor Mike Waltz and other staffers with the National Security Council, ...

President Donald Trump announced that Mike Waltz had been ousted as national security advisor. He was previously caught up in "Signalgate." ...

Mike Waltz, the Trump adviser who accidentally invited a journalist to a war plans group chat on Signal, was caught casually scrolling through his Signal messages during a Cabinet meeting Thursday.

Mike Waltz, the departing national security adviser ... involving him and other prominent government officials using Signal to converse about highly sensitive details regarding a planned U.S ...

Waltz’s problem was that in an administration of know-nothing America firsters, solicitous Trump sycophants, and national security novices, Waltz knew a bit too much and drank too little of the MAGA ...

The Signal group chat was made public after reporter ... employee was to blame for adding Goldberg to the chat, not Waltz. "Michael Waltz has learned a lesson, and he’s a good man," the ...

The president says Waltz, who started the leaked Signal chat, will be nominated as US ambassador to the UN and be temporarily replaced by Secretary of State Marco Rubio.