National Security Advisor Michael Waltz and a senior aide used personal Gmail accounts for government communications, ...

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

Mike Waltz faces criticism for using Gmail for official duties, with concerns raised about the management of sensitive ...

Democrats on the Senate Homeland Security Committee say the reported use of Signal and Gmail by national security officials creates major cybersecurity risks.

Last week, National Security Advisor Michael Waltz inadvertently invited a journalist to a Signal chat discussing a planned military strike. Today, a new Washington Post report says that he has also ...

Senior members of the US National Security Council, including the White House national security adviser Michael Waltz, have ...

Waltz admitted to using Gmail but stated no classified material was sent. This follows a recent blunder involving a Signal group chat discussing Yemen airstrikes that was accidentally shared with ...

Gmail is even less secure than Signal, the encrypted messaging app that’s available to the public. The use of the email service is the most recent instance of top national security officials ...

Intelligence experts argue that despite its use of encryption, Signal is not an appropriate channel for discussing ... that ...

The team led by U.S. President Donald Trump's national security adviser, Mike Waltz, set up at least 20 group chats on the commercial Signal app to coordinate official work on issues involving China, ...