President Donald Trump is not planning to fire national security advisor Mike Waltz in the wake of The Atlantic's reporting of an apparent national security breach, Fox News has learned. "He’s not ...

Signal messages are secure and encrypted, but that doesn't mean no one will ever see them. Here's how to make sure your ...

President Donald Trump defended National Security Advisor Michael Waltz during an ambassador meeting on Monday, as his administration faces fierce backlash over the recent Signal text chain leak.

After the FBI was able to extract incoming Signal messages from an iPhone, the messaging service’s CEO has now responded with ...

A watchdog group sued Defense Secretary Pete Hegseth and other top Trump administration officials on Tuesday, alleging they violated federal record-keeping laws by using the encrypted messaging app ...

When top White House defense and national security leaders discussed plans for an attack on targets in Yemen over messaging app Signal, it raised many questions about operational security and ...

Add Yahoo as a preferred source to see more of our stories on Google. A public watchdog group sued Defense Secretary Pete Hegseth and a slew of other Trump administration officials Tuesday after a ...

Regarding “Trump officials texted attack plans to a group chat in a secure app that included a journalist” (Mar. 26): Donald Trump’s Director of National Intelligence Tulsi Gabbard and CIA Director ...