If US officials feel comfortable sharing classified operations on apps like Signal, one must question what other security ...

A big row has erupted over the Yemen war plan details revealed on a Signal group chat, which inadvertently involved The ...

A few G.O.P. lawmakers said they would look into the breach, but party leaders largely tempered their criticism of the Trump ...

Defense Secretary Pete Hegseth on Tuesday fended off a reporter’s questions about a leaked Signal chat group about ...

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

The Pentagon’s acting inspector general announced Thursday that he would review Defense Secretary Pete Hegseth’s use of the ...

A Pentagon-wide advisory that went out one week ago warned against using Signal, the messaging app, even for unclassified ...

The security vulnerabilities of using Signal to discuss military operations The news of Trump ... to preserve Signal chat about strikes in Yemen A federal judge on Thursday said he will order ...

“Their behavior blatantly violated security regulations designed to prevent exactly this kind of leak ... in gallery The Signal app is not authorized for discussing military operations.

Did Defense Secretary Pete Hegseth’s messages detailing planned U.S. airstrikes in Yemen constitute a classified war plan?

Executing an overarching strategy to diminish the threat of terrorism, curtail Iranian influence and avoid letting China ...

The Trump administration’s Signal chat leak represents the "profound" risk of "uncontrolled communication," which could have implications on future operations ... in Yemen, which also included ...