open whisper systems

Microsoft and Signal team up to bring end-to-end encryption to Skype

Using Open Whisper System's Signal Protocol, Skype has released a preview of end-to-end encrypted "Private Conversations" to select users, providing an extra layer of security for Skype content.

Want a secure messaging app on desktop? Signal has announced a private beta

Open Whisper Systems has officially launched Signal Desktop in private beta. The end-to-end encrypted messaging app is used by quite a few notable privacy advocates, including NSA surveillance whistleblower Edward Snowden.

Edward Snowden touts Signal for your end-to-end encrypted messaging needs

Edward Snowden needs to be extra careful on the Internet, and one of the ways he keeps safe is by using Signal, an end-to-end encrypted messaging app launching on the Google Play store today.

The NSA can’t hear you now: How to easily encrypt calls on your iPhone

For years, iPhone users haven't had a free and easy-to-use app that can encrypt calls -- but now, at long last, Signal is here to change all that