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

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

Democratic leaders of key House committees are reigniting calling for national security adviser Mike Waltz to step down.

And Trump also waived off the issue when asked by reporters Thursday about ... The Wall Street Journal reported this week ...

U.S. National Security Advisor Mike Waltz, who started the now-infamous group chat coordinating a U.S. attack against the ...

according to a former national security official who served in the administration. The official, who requested anonymity to speak about methods used to share sensitive information, said Signal was ...

Pete Hegseth, JD Vance, and other officials discussed military strikes in a Signal chat that included a journalist. Did ...

US president defends key security official after journalist says he was added to group chat about air strikes.

Along with the political problems of “Signalgate,” there are other more serious issues confronting the U.S. government. That’s particularly true for the NSA, according to Bruce ...

Secure messaging app Signal has been in the spotlight this week for national-security reasons, but companies can also learn lessons from the Trump administration’s misstep.

The Trump administration wants to move on but I want answers. We deserve to know how this happened.