Letsencrypt is a pretty neat concept: free secure certificates for web servers, in order to increase the adoption of HTTPS across the web. The basic idea is that certificates should be free, that the barrier to install them should be as low as possible and that updating certificates should be automated. It protects this site and many 100’s of millions besides. The advantages are that in-flight data can no longer be easily snooped and that injection of data into pages is made either much har...
