Signal, the most secure widely available messaging app, has become a go-to resource for journalists, leakers and other people concerned about privacy. But it’s not infallible. And its shortcomings and ...

A monthslong investigation into Defense Secretary Pete Hegseth's use of the commercial messaging app Signal is complete and its classified findings provided to Capitol Hill, according to a person ...

Signal protects conversations, but it was never designed to safeguard U.S. war plans — and using it that way carried real ...

Defense Secretary Pete Hegseth is facing scrutiny after a new watchdog report found his use of the Signal app earlier this ...

New York (CNN) — If you hadn’t heard of Signal before Monday, chances are you have now. The secure messaging app, available for iPhones and Android devices, has long been popular with journalists ...

LONDON, UK — A magazine journalist's account of being added to a group chat of U.S. national security officials coordinating plans for airstrikes has raised questions about how highly sensitive ...