Learn more about Signal, including whether the news about its use in a military intelligence breach impacts its effectiveness ...

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

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

The so-called vulnerabilities mentioned regarding Signal are not with the app or its security. Instead, the issues are related to what is always the weakest link with any digital communications ...

Less than two weeks ago there was SignalGate, the Trump administration’s national security scandal that potentially ...

In the aftermath of the Trump administration's military attack plans scandal, many are left wondering why sensitive national ...

The White House’s assertion that the case is closed surrounding national security officials’ use of Signal is getting ...

Mistake.” “Glitch.” “Entirely permissible.” “Hoax.” See the varied and shifting responses President Donald Trump and his ...

Defenese Secretary Pete Hegseth, national security adviser Mike Waltz and more of the contacts who appeared in the Signal ...

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

President Trump was urged by far-right activist Laura Loomer to purge staffers she deemed insufficiently committed to his ...