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

A dozen current and former officials confirmed that the encrypted messaging app is used across various agencies — despite ...

Why Signal app is at the centre of US 'national security scandal' The Signal app is currently at the center of a significant ...

President Trump suggested Wednesday that the encrypted Signal messaging platform his top national security brass used to plan ...

As fallout from a Trump administration group chat about a military attack in Yemen continues to unfold, some Democrats are ...

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

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.

Four sources tell Politico they were aware of at least 20 chat groups, all four confirmed sensitive information was discussed ...

Why was the national security adviser doing the tedious administrative work of setting up a chat group that should have been ...

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

Adding a journalist to a national security chat that included discussions about a military attack was a mistake. But let's ...

This is a serious issue. If any junior analyst in the U.S. government acted the way Waltz or Hegseth did, they would have ...