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 ...

The high-level Trump administration Signal message thread on bombing Yemen on which someone on the staff of National Security Adviser Michael Waltz included The Atlantic‘s editor-in-chief Jeffrey ...

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 ...

Requirements for agencies to maintain internal communications under the Federal Records Act have come to the forefront of staff discussions in the days following bombshell reporting from The ...

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

With news this week of the messaging app being used to discuss war plans, we get you up to speed on what Signal should be used for—and what it shouldn’t. MIT Technology Review Explains: Let our ...

The Atlantic magazine on Wednesday published text messages from top Trump administration officials laying out minute-by-minute operational details and exact weapons to be used in strikes against the ...