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 ...

The team led by U.S. President Donald Trump's national security adviser, Mike Waltz, set up at least 20 group chats on the ...

WASHINGTON >> The team led by President Donald Trump’s national security adviser, Mike Waltz, set up at least 20 group chats ...

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 ...

Security specialists have expressed concerns that U.S. national security officials are not consistently using secure government systems like the Joint Worldwide Intelligence Communications System ...

President Donald Trump's second administration has not been lacking in scandal. One of the largest incidents recently occurred among high-ranking administration officials and has been dubbed ...

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