When dealing with personal data on the web, security is the first priority. This is not only true with online stores and shopping carts, but also just as much with popular social networks like Twitter and Facebook. SSL is a secure protocol much like HTTP in that it can receive and transfer data over the Internet. The whole concept is admittedly a bit elaborate but not so difficult to understand. If you’re interested in learning about SSL certificates, then download the SSL certificate white paper. Security is vital to the success of any website and SSL is merely a stepping stone in the bigger picture.