To mitigate this risk, the NSA advises users to regularly check their linked devices for any unfamiliar connections and ...

The NSA has highlighted the risks of user behavior in secure messaging, focusing on Signal's Linked Devices and Group Invite ...

Last month, Donald Trump ’s national security adviser Michael Waltz blamed his phone for accidentally including a journalist ...

In some cases, federal agencies have permitted the use of Signal, the encrypted messaging app used by top Trump officials to ...

The nation’s top intelligence officials have told lawmakers that it was routine for them to discuss sensitive national security issues on the encrypted messaging app Signal. It’s widely used ...

The Pentagon's Inspector General's office announced on Thursday it was opening a probe into Defense Secretary Pete Hegseth's ...

The Atlantic’s editor-in-chief was mistakenly added to a Signal group chat with administration officials discussing attack ...

There's much spinning over the grave lapse in national security captured in that group chat outlining a planned bombing raid ...

Illinois Gov. JB Pritzker asked the Joint Chiefs of Staff for assurances about steps being taken to protect national security ...

The Washington Post said Waltz and other NSC members used the Alphabet Inc-owned email service to conduct government business ...

Rice was President Obama’s national security ... and security at risk. Each of those contingencies is more than just conceivable. None would be handled responsibly on a Signal text chain ...

And just yesterday, GmailGate, the Trump administration’s use of the even less-secure commercial email app ... s national security team, including White House national security adviser Mike Waltz, who ...