An investigation into Defense Secretary Pete Hegseth's use of the Signal app is complete and its classified findings provided ...

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

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 ...

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 ...

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 information is ...

The encrypted messaging app Signal has been thrust into the news cycle thanks to accidental addition of the editor-in-chief of The Atlantic to an apparent war planning chat group filled with top ...

The Pentagon’s watchdog has found that Defense Secretary Pete Hegseth put U.S. personnel and mission at risk when he used the Signal messaging app to convey sensitive information about a military ...

The Signalgate scandal that enveloped US Secretary of Defense Pete Hegseth in March appears to be symptomatic of a wider lax ...

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 ...

The chat app, which is run by a nonprofit foundation, has been downloaded 220 million times. Here's what to know about Signal, including who owns it and whether it's safe to use. The messaging app ...