TeleMessage, a messaging app used by Trump adviser Mike Waltz, has suspended services after a hacker accessed sensitive ...

Secretary of Defense Pete Hegseth has faced allegations of sharing classified information on Signal, a commercially available ...

Hegseth and other members of the national security team have drawn scrutiny over their use of Signal to hold sensitive talks.

In March, a major scandal known as “SignalGate” shook the Trump administration, raising serious concerns about national ...

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

President Trump removed Mike Waltz as national security adviser Thursday amid fallout from what’s known as “Signalgate,” in ...

Mike Waltz and Alex Wong were forced out with others, triggering a major shake-up in Donald Trump’s security team just 100 ...

White House national security adviser Mike Waltz, who included The Atlantic editor Jeffrey Goldberg in one Signal chat, is doing "fine" despite being "beat up," Trump said. Trump's message to staff ...

The chat, in which Defense Secretary Pete Hegseth laid out plans for an upcoming military strike in Yemen, inadvertently ...

Former national security adviser John Bolton said chaos is “embedded” in President Trump’s DNA after national security ...

Trump will now nominate Mike Waltz to be the United States' UN Ambassador. It's the first major shakeup in the president's ...