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 ...

President Donald Trump's former national security adviser Mike Waltz was photographed using Signal during a Cabinet meeting on Wednesday, just one day before the president announced he was replacing ...

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 app Waltz was using appeared to be “TM SGNL,” a modified version of Signal that retains and archives messages to comply ...

On Wednesday, before news of his ouster broke, now-former national security advisor Mike Waltz was photographed during a Cabinet meeting looking at what appeared to be the encrypted messaging app, ...

An Israeli app used by then-U.S. National Security Adviser Mike Waltz to archive chats on Signal was easily hacked and his ...

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

TeleMessage takes versions of popular apps and makes it possible to archive messages in adherence with government regulations ...

President Trump recently discouraged the use of the Signal app after controversy over a group chat of administration officials detailed military plans.

In response to the photos of Waltz, White House communications director Steven Cheung said in an X post: "Signal is an approved app that is loaded onto our government phones. Thank you for your ...

Mike Waltz, President Trump's national security advisor, is leaving the White House weeks after he accidentally added a ...