As national security services warn that Russian hackers are currently engaged in new global attacks against WhatsApp and Signal users, here’s how to stay safe.

Signal offers end-to-end encryption, disappearing messages, and local backups to protect user data ...

Here's what to know about the messaging app used by Trump Administration officials to discuss military strikes on Yemen.

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 ...

After messages from Mike Waltz's leaked chat on the Signal app went massively public months ago, he was ousted as President Donald Trump's top national security adviser. Now, he's up for a new ...

Defense Secretary Pete Hegseth and Signal are back in the news. The New York Times reported Sunday that Hegseth created a Signal messaging chat that included his wife and brother. The details of the ...