Using video calling platforms is about as easy as it can get these days. You can use them on computers, mobile devices, and even tablets. Video calling is popular and widespread enough that you ...

With news this week of the messaging app being used to discuss war plans, we get you up to speed on what Signal should be ...

White House staffers have come under fire after allegedly using the app to discuss sensitive foreign policy plans.

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

US president defends key security official after journalist says he was added to group chat about air strikes.

The app has no ads, does not track users' data, and does not store any metadata such as timestamps, internet addresses or ...

A chat app refers to a text or video messaging application. See text messaging and video chat. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.

WhatsApp boasts more than 2 billion users worldwide, but if you don’t live in one of the countries where it’s popular, you may have never used it. Still, if you’re looking for a good ...

A magazine journalist’s account of being added to a group chat of U.S. national security officials coordinating plans for ...

Trump administration officials included Jeffrey Goldberg, the editor of The Atlantic, in a group chat about airstrikes on March 15. What is Signal.