Increasingly, Web sites want to be secure and encrypted. It doesn’t matter if you’re running a huge e-commerce site or just a lowly blog; the trend is clear, that having an HTTPS-encrypted site is a good thing to do. If that’s the case, then why don’t more people do it? Part of it is the cost — to have a secure site, you need to get a certificate from a (potentially expensive) certificate authority (CA). Let’s Encrypt is a new service that aims to make it easy and free to set up an HTTPS-powered site. In this talk, Josh Aas describes Let’s Encrypt — the motivations, the technology, and the issues remaining before HTTPS can be universally available.