Atlantic Editor-in-Chief Jeffrey Goldberg was added to a Signal group chat of U.S. national security officials discussing ...

Top national security officials for President Donald Trump, including his defense secretary, texted plans for upcoming ...

Signal is a free app that cybersecurity experts consider to be one of the most secure messaging services because of its ...

Top Trump administration officials used messaging app Signal to share war plans and mistakenly included a journalist in the ...

Signal, the chat messaging app with privacy features including the ability to erase messages after a certain length of time, ...

The messaging app was created by a one-time anarchist to help activists, journalists, and others communicate beyond the ...

The National Security Agency sent a bulletin in February warning of Russian hackers trying to access encrypted conversations ...

The Signal group chat included several top Trump administration officials as well as a journalist. Here's what to know about ...

Signal is a messaging app that uses end-to-end encryption to keep your messages private — not even the company that makes the ...