SSL is a standard way to secure your communication over the web. With SSL all data is encrypted between your browser and the server. The SSL certificate provides outside authority confirming identity of the recipient (server) and it's public key used for encryption.
SSL is required for websites which carry out financial transactions on website. Sites such as ecommerce, web hosting etc..
SSL is security protocol that secures data transaction over internet. You can secure your business and user's information with an SSL Certificate. Our Popular social media website like Facebook, Twitter also use SSL certificate to protect their customer information. check this link to know more about SSL: http://www.clickssl.com/ssl-faq
The Secure Socket Layer protocol was created by Netscape to ensure secure transactions between web servers and browsers. The protocol uses a third party, a Certificate Authority (CA), to identify one end or both end of the transactions
if you want to make a business online, then you will need a SSL Certificates to give your buyers secure connection with third party payment. So hackers will not steal their sensitive informations!
SSL is required mostly if you have a money transaction related website to provide safe and secure enviroment to customers.
It's a certificate provided by hosting companies to provide security on websites where credit cards are used.