To protect our data from being hacked we must see to it that our data is secured permanently on the server while doing online transactions and transfers. ssl is the standard security technology for establishing an encrypted link between a web server and a browser. This link ensures that all data passed between the web server and browsers 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.
For more info on this please see http://www.ssl.com/