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 communications app TeleMessage, which was spotted on former US national security adviser Mike Waltz's phone, has ...

Last week, however, Waltz’s phone made headlines again: on Thursday, the same day that Waltz would be ousted from his ...

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

Mike Waltz, the national security adviser for President Donald Trump, is seen in photos using Signal during a Cabinet meeting ...

A phone app that Mike Waltz, President Donald Trump’s former national security adviser, apparently used to save his text ...

President Donald Trump says he is nominating national security adviser Mike Waltz as United Nations ambassador while ...

Message contents and government official contact information were obtained during the breach, 404 Media reports.

Mike Waltz was photographed using Signal in a Cabinet meeting the day before Trump announced he was replacing him as national ...

Mike Waltz is expected to be ousted from his role as Donald Trump's national security adviser amid the fallout over ‘The ...

Waltz was among high-ranking members of the administration who accidentally shared plans about a forthcoming U.S. military ...

National security adviser Mike Waltz and his deputy, Alex Wong, are exiting the administration, CBS News’s Jennifer Jacobs ...