Former national security adviser Mike Waltz was photographed using a Signal-like messaging app during Wednesday’s Cabinet meeting, more than a month after he first came under intense scrutiny ...

Last week, a Reuters photo showed Waltz using TeleMessage with chats labeled "J.D. Vance" and "Gabbard." The hack reignites concerns about the security of Waltz's messages. Information the hacker ...

Judge Boasberg said Trump officials likely neglected record-keeping duties using auto-deleting Signal messages and ordered ...

A federal judge said Friday it’s too late to order the recovery of already-deleted Signal messages from key members of ...

Gov. Walz directed his team to be on heightened alert, while the U.S. Department of Homeland Security issued a nationwide ...