The Pentagon did not conduct a routine investigation into the impact of Defense Secretary Pete Hegseth’s disclosure of sensitive military information in a group chat on Signal earlier this year and ...

The Pentagon’s latest report makes one thing clear: Signal protects conversations, but it was never designed to safeguard U.S. war plans — and using it that way carried real risk for American forces.

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A federal watchdog says Defense Secretary Pete Hegseth put US troops and military operations at risk by sharing sensitive information over the messaging app Signal, in violation of Pentagon policy.

It's "not a crime. It is just poor judgment," one expert said. Eight months after Defense Secretary Pete Hegseth typed up detailed military plans to attack Houthi rebel sites in Yemen then shared them ...

For nearly nine months, Trump-administration officials have defended top national-security leaders who shared information in a Signal chat about U.S. strikes in Yemen, first reported by The Atlantic’s ...

Amid talk of war crimes, the details and precise sequence of a Sept. 2 attack on a boat in the Caribbean are facing intensifying scrutiny. By Charlie Savage Julian E. Barnes Eric Schmitt and John ...

Police arrested two teenagers Monday night for firing a gun in one of New York City’s busiest transit hubs, though NYPD officials say no one was hurt. Ronald Gutierrez and Carlos Loyo Jhean, both 18, ...

Forbes contributors publish independent expert analyses and insights. Zak Doffman writes about security, surveillance and privacy. Hackers are now using spyware to attack WhatsApp, Signal and other ...