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 because of its ...

LONDON (AP) — 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 nonprofit Signal Foundation was set up in 2018 to support the app’s operations as well as “investigate the future of private communication,” according to the foundation’s website.

Signal is the most secure messaging app for your smartphone, but a recent leak from a US government chat group has raised questions. So how safe is Signal and how do you use it properly?

What is Signal, the chat app used by US officials to share attack plans? Signal uses end-to-end encryption for its messaging and calling services that prevents any third-party from viewing ...

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 ...

However, if you use the app as intended, there are a lot of protections built into Signal to help prevent conversations from falling into the wrong hands. What is Signal, and what makes it private?

Atlantic Editor-in-Chief Jeffrey Goldberg detailed a discussion that happened over the Signal messaging app hours before strikes on Iran-backed Houthi-rebels in Yemen ordered by U.S. President ...

Encryption on Signal is turned on by default, unlike another popular messaging app, Telegram, which requires users to turn it on and does not make it available for group chats.