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

This reveals a greater use of the app than previously known and highlights the extent to which the Trump administration’s ...

Waltz was the face of a crisis last week after inadvertently adding a journalist to a group chat discussing attacks on the ...

National Security Adviser Mike Waltz reportedly had his team set at least 20 Signal chats for other crises across the globe, ...

The Trump administration has carried out more than 100,000 deportations since Jan. 20, according to the Homeland Security ...

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

While you may think your text messages are secure and private, settings on your phone may make you vulnerable to an attack.

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

U.S. President Donald Trump's national security adviser has never used his personal email account to send classified material ...

Researchers found at least five VPN apps in Google and Apple's app stores that are linked to the Chinese military.

The White House denies that classified information was shared when The Atlantic editor Jeffrey Goldberg was added to a group ...

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