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

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

The national security adviser's use of the messaging app is under scrutiny after he mistakenly added a journalist to a ...

The National Security Agency sent a bulletin in February warning of Russian hackers trying to access encrypted conversations ...

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

U.S. National Security Advisor Mike Waltz received emails via his personal email account but has never used that account to ...

Last week, the White House said the National Security Council, the White House counsel office and President Trump adviser ...

National security adviser, Mike Waltz, inadvertently added Jeffrey Goldberg, the editor of The Atlantic magazine, to a group ...

U.S. National Security Advisor Mike Waltz, who started the now-infamous group chat coordinating a U.S. attack against the ...

After 'Signalgate,' the encrypted communication app is rocketing up the app charts—even as the Trump administration attempts ...

The inadvertent inclusion of a journalist on a Signal group chat discussing attack plans means officials likely violated the ...

National security advisor Michael Waltz commented on the Signal text chain leak during an appearance on "The Ingraham Angle." ...