Researchers uncover security weaknesses in obscure TM SGNL app and indications that its Israeli maker was itself recently ...

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

TeleMessage, an unofficial version of Signal, has suspended services after a security breach allegedly exposed user messages.

An unofficial version of Signal, TeleMessage, used by Mike Waltz, Donald Trump's former National Security Adviser, has ...

The Signal group chat scandal and Waltz’s hawkish stance on Iran are being touted as the reasons for his ouster as NSA.

The hacker reportedly gained access to customer data from TeleMessage, a Signal-like app that Waltz was seen using during a ...

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

An unofficial version of the Signal messaging app, reportedly used by Mike Waltz, former NSA, has been hacked. The breach, ...

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

A sharp-eyed photographer took a pic of Mike Waltz’s phone, revealing message threads labeled 'JD Vance' and 'Gabbard' open on what looked like Signal ...

Mike Waltz's exit from the Trump administration comes on the heels of the Signal chat scandal. Here's what happened.

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