Waltz “wanted to take U.S. policy in a direction Trump wasn’t comfortable with because the U.S. hadn’t attempted a diplomatic ...

TeleMessage drew media attention after a Reuters photograph showed Mike Waltz checking its version of Signal during a cabinet ...

Days after former National Security Adviser Mike Waltz was caught using a knock-off Signal app, a hacker broke into the ...

President Donald Trump moved to dramatically downsize the National Security Council, part of a restructuring that could see ...

The company behind the Signal clone used by at least one Trump administration official was breached earlier this month. The ...

Yarden Bibas speaks of meeting Sinwar while in captivity • US intel suggests Israel preparing strike on Iran's nuclear ...

The discovery potentially raises the stakes of a breach that has already drawn questions about data security in the ...

In this interview on The Unknowns with host Charlie Stone, former U.S. National Security Advisor and UN Ambassador John ...

A hacker breached TeleMessage, a communications service used by U.S. officials, intercepting messages of over 60 government ...

Trump's second presidency a seesaw of milestones — and the swings have started or played out during the time he has spent at ...