What is SSL certificate and why do we need it for websites?
SSL stands for "Secure Sockets Layer", which is the standard security technology for creating an encrypted link between a Web server and a Web browser. This link ensures that all data passed between the server and browser remains private and secure.SSL Certificates serve two purposes:
- They assure customers that a website is legitimate and that the online business running the site is a real licensed business.
- They encrypt data transferred between a customer's Web browser and the online business to help prevent theft of sensitive information such as credit-card numbers, account numbers, and passwords.
There are 3 main types of SSL Certificates. The diagram below explains:
For a basic introduction to internet security, please also take a look at these short videos on SSL Certificates and Public Key Cryptography.
SSL Certificate Explained
Public Key Cryptography