Let's understand the steps with deep information.
1. About SSL Certificate
SSL stands for Secure Socket Layer.
SSL is basically used to encrypt the site information and make a secure connection. It is maintaining encrypted link or secure way of connection between a Server and Client.
SSL helps to maintain or allow sensitive information like Credit Card nos., Usernames, Passwords, emails etc.
SSL will not allow or stop hackers to stolen important information from websites. It will provide a guarantee to customers that the important data will be safe with or because of SSL.
2. What is Self-Signed SSL Certificate?
We just see the information about SSL Certificate. Now understand about the Self-signed SSL certificate.
Self-Signed Certificate is basically a certificate which is created or signed by a person with local encryption technique.
This type of certificate is not a tested or approved by trusted certificate authority. Self Signed certificates are not used on live websites.
If any one of the people using self-signed then customers will get the message "The Site Security Certificate not Trusted!".
No one is using a Self-signed certificate on live sites.