WASHINGTON – Officials from the Trump administration assured a judge Thursday they are preserving messages shared on the Signal app about an attack on Houthis in Yemen, despite the app's option to ...

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 ...

As reports continue to come out about President Donald Trump's administration’s use of Signal, the company issued a statement Tuesday to clear the air, saying its software is "the gold standard for ...

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.

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 ...

The Atlantic magazine on Wednesday published text messages from top Trump administration officials laying out minute-by-minute operational details and exact weapons to be used in strikes against the ...

On Wednesday morning, The Atlantic published the Signal messages that editor in chief Jeffrey Goldberg received from the most senior national security officials of the U.S. about military strikes in ...

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 ...

Nearly a month into his first term, in February 2017, President Donald Trump displayed a casual lack of concern for long-established White House security protocols. At his “winter White House” in ...