The former Trump national security adviser will be peppered with questions about Signal in his confirmation hearing for ...

Mike Waltz, former national security adviser who left in the wake of the Signal chat controversy, faces a confirmation ...

Mike Waltz will face questioning from lawmakers for the first time since he was ousted as national security adviser.

The US security watchdog CISA has warned that malicious actors are actively exploiting two flaws in the Signal clone ...

TeleMessage, the app that President Donald Trump’s former national security adviser, Mike Waltz, appeared to use to archive his group chats, has suspended all services after hackers claimed to ...

TeleMessage, the app that President Donald Trump’s former national security adviser, Mike Waltz, appeared to use to archive his group chats, has suspended all services after hackers claimed to ...

Former national security adviser Mike Waltz was photographed using a Signal-like messaging app during Wednesday’s Cabinet meeting, more than a month after he first came under intense scrutiny ...