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

Sources say the national security adviser and his team made at least 20 group chats on the commercial messaging app.

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 ...

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

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

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

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.

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

Trump officials have been slammed for using the app to discuss highly sensitive information, including war plans The team led by US President Donald Trump's national security adviser, Mike Waltz, set ...