SSL is a cool system or, in tech speak, a protocol for allowing encrypted communication over the Internet. The need for this is obvious when you think about the type of information that must be given and received, even for the simplest transaction. A customer's personal details and credit card details are the most obvious examples of these types of information.
By encrypting (making information incomprehensible to all but the intended recipient), you can take your customers' money and personal details without worrying that their private details will be intercepted by a third party.
Regular encryption relies on the sharing of a decryption key. A decryption key, simply speaking, is a mathematical formula for making the incomprehensible information comprehensible again. SSL uses a method known as public key cryptography that allows a website, such as yours, to give an encryption key to your customer's web browser, which encrypts the confidential information before sending...