"I think it will be a brutal confirmation hearing," Sen. Mark Warner said of Mike Waltz. "I think he's going to have tough ...

Last Wednesday, former national security advisor Mike Waltz was photographed at a cabinet meeting using TeleMessage, a modified version of Signal, the encrypted messaging app that has been the source ...

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

Sen. Tammy Duckworth slammed Mike Waltz for "failing upward" now that Trump wants to move him from National Security Adviser to UN Ambassador after they made him the fall guy for their SignalGate ...

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

At a time when President Donald Trump is busy boasting his achievements in his first 100 days in office, his cabinet picks ...

United States President Donald Trump announced the dismissal of Mike Waltz as the National Security Adviser (NSA) ...

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

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

The clone of the messaging app Signal, which was being used by since-ousted national security advisor Mike Waltz during a ...

President Donald Trump is looking for a new national security adviser now that Mike Waltz -- the man responsible for the Signal controversy -- is moving to U.N. ambassador. Trump told reporters Sunday ...