President Trump recently discouraged the use of the Signal app after controversy over a group chat of administration ...

A hacker breached TeleMessage, a government-approved messaging app used by Trump administration officials, exposing archived ...

The clone, TeleMessage, was the subject of a reported hack in which the contents of some direct messages and group chats were ...

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

Today, the Trump administration announced that national security advisor Mike Waltz would be leaving the White House after ...

Jill Biden was often accused of hiding her husband away and cutting him off from answering unscripted questions from the ...

The images, captured by Reuters, show Mike Waltz, the former national security adviser, using the TM SGNL app, which allows ...

Signalgate was the national security adviser’s most glaring mistake. But his problems ran deeper. After Michael Waltz, the ...

White House national security adviser Mike Waltz is leaving the administration just weeks after it was revealed he added a ...

Thursday's development marks the first major staff shakeup of President Donald Trump’s second term. Waltz came under scrutiny ...