It is easier to chat online securely today than it ever has been. Widespread adoption of signal, wire, and the private mode of WhatsApp have led a broader recognition of the importance of end-to-end encryption. There's still plenty of work to be done in finding new designs that balance privacy and usability in online communication.

This introduction to secure messaging will lay out the different risks that are present in communications, and talk about the projects and techniques under development to do better.