New York (CNN) — 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 ...

Serious national security concerns have been brought to the forefront this week — and they’re linked to a secure messaging app called Signal. White House staffers have come under fire after allegedly ...

Concerned about your privacy when texting or making phone calls? Signal is a popular secure private messaging app that everyone from Twitter founder Jack Dorsey to whistleblower Edward Snowden use, ...

Signal is the easiest way to send encrypted messages on Android. It's a complete replacement for your existing SMS app letting you send unencrypted messages to non-Signal users, and even make ...