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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.

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. Until Monday, many ...

Dutch intelligence agencies have warned that Russia-linked hackers breached Signal and WhatsApp accounts belonging to government officials and journalists. The alert, directed at Western governments ...

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 ...

The drama this week over the Trump administration Signal group chat about a strike on Houthis in Yemen in which The Atlantic Editor in Chief Jeffrey Goldberg was inadvertently included has been ...

The eye-popping scandal surrounding the Trump cabinet’s accidental invitation to The Atlantic’s editor in chief to join a text-message group secretly planning a bombing in Yemen has rolled into its ...

"So this was not classified," President Donald Trump said at the White House this week. He was talking about an incident where a journalist was accidentally added to a group chat discussing military ...

The messaging app Signal is making headlines again, with the news that U.S. Defense Secretary Pete Hegseth used it for a chat with his wife, his personal lawyer and others in which he shared sensitive ...