Add Yahoo as a preferred source to see more of our stories on Google. Signal, the most secure widely available messaging app, has become a go-to resource for journalists, leakers and other people ...

The person who added a journalist to a Signal message thread that top national security officials used to discuss military strikes should resign if it was accidental and be fired and perhaps ...

So, about that Signal chat. On Monday, shortly after we published a story about a massive Trump-administration security breach, a reporter asked the secretary of defense, Pete Hegseth, why he had ...

Atlantic editor-in-chief Jeffrey Goldberg said it was "not true" that he and National Security Adviser Mike Waltz had never spoken before, after the journalist detailed in a piece that he was added to ...

A federal judge in Washington, D.C. ordered relevant agencies Thursday to preserve all communications between March 11 and March 15 in a Signal group chat containing discussions of sensitive military ...

The recent bombshell lawsuit filed in San Francisco has sent ripples through the tech world, fueled by whistleblower claims ...

War Secretary Pete Hegseth on Wednesday described a Pentagon inspector general report on the Signalgate scandal as a “total exoneration,” despite the watchdog finding his use of an encrypted messaging ...