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

"I think it will be a brutal confirmation hearing," Senate Intelligence ranking member Mark Warner, D-Virginia, said on CNN. ...

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

An unofficial version of Signal used by Mike Waltz, who was Donald Trump's National Security Adviser, was reportedly hacked. This has led to concerns that private messages shared at the top levels of ...

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

New photos show ex-Trump adviser Mike Waltz using a modified Signal app called TM SGNL during a cabinet meeting. The app ...

Mike Waltz leaving job to become new US ambassador to the United Nations as top diplomat Marco Rubio takes over NSC role in ...

The Trump adviser responsible for the Signal group chat that became a national security scandal is being replaced and ...

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

Mike Waltz will be the next US ambassador to the UN. Read more at straitstimes.com. Read more at straitstimes.com.

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

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