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

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

But his emails! Sharing them with Google! Senior members of the US National Security Council, including the White House ...

Last week, National Security Advisor Michael Waltz inadvertently invited a journalist to a Signal chat discussing a planned ...

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

He has never sent classified material over his personal email account or any unsecured platform,” the spokesperson insisted.

Senior members of the Trump administration’s National Security Council — including its top national security adviser, Michael ...

National Security Adviser Mike Waltz used his personal Gmail for government communications, sparking security concerns.

Amid the backlash to the Trump administration’s use of the private messaging app Signal for sensitive U.S. military planning ...

According to three officials who spoke to the Washington Post, members of President Trump's National Security Council, ...

House Homeland Security Committee ranking member Bennie Thompson (D-Miss.) said that Gmail is "far less secure than Signal.