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

U.S. security officials have reportedly been using their personal Gmail accounts to conduct government business — including ...

Mike Waltz faces criticism for using Gmail for official duties, with concerns raised about the management of sensitive communications in Trump's admin ...

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, ...

National Security Advisor Mike Waltz is under fire again, this time for using her personal Gmail. What does this mean about the security of your account?

House Homeland Security Committee ranking member Bennie Thompson (D-Miss.) said that Gmail is "far less secure than Signal. Not only is it a security risk — it's another flagrant skirting of ...

Report on use of Gmail for government communications comes after national security adviser accidentally added journalist to Signal chat on Yemen attack plans ...