Secure Sockets Layer, SSL, is the standard security technology for creating an encrypted link between a web server and a browser. This link ensures that all data passed between the web server and browser remain private and integral. SSL is an industry standard and is used by millions of websites in the protection of their online transactions with their customers.
In order to be able to generate an SSL link, a web server requires an SSL Certificate. InstantSSL is such a Certificate, and when installed, can be used to create secure links to protect transactions, passwords, personal details, etc.