It’s a more extensive use of the app than previously reported and sheds new light on how commonly the Trump administration’s ...

President Donald Trump confirmed that multiple employees within the National Security Council were fired Thursday, adding to ...

The team led by U.S. President Donald Trump's national security adviser, Mike Waltz, set up at least 20 group chats on the ...

The White House has declared the controversy around a Signal chat for a military strike that inadvertently included a ...

Democratic leaders of key House committees are reigniting calling for National Security Advisor Mike Waltz to step down.

Waltz’s team had set up at least 20 Signal group chats dedicated to discussing international crises, Politico reported ...

The team of President Donald Trump's national security adviser, Mike Waltz, set up at least 20 group chats on the commercial ...

Just seven days after the Signal chat scandal erupted, the White House announced that it doesn’t want to talk about it ...

National Security Advisor Michael Waltz and a senior aide used personal Gmail accounts for government communications, ...

Representative Jimmy Gomez (D-CA) joins José Díaz-Balart on MSNBC to talk about cybersecurity concerns following the Signal ...

The national security adviser's use of the messaging app is under scrutiny after he mistakenly added a journalist to a ...