Updated: Jul 9
SSL stands for Secure Sockets Layer and, in short, it's the standard technology for keeping an internet connection secure, private and intrinsic, between a web server (host) and a web browser (client), and preventing any sensitive data being sent between two systems, in order to avoid criminals from reading and modifying any information transferred.
It is an electronic passport that has now become important for every website, in order to make their website and transactions secure for their customers. If you have ever visited a website using the https:// in the address bar you were creating a secure connection via SSL. It ensures purchases, transactions, and connections done are shield and secure and no one encrypts information. Whereas if the user enters login credentials on the unprotected website, then an attacker can see this information and use it for the wrong purpose. This is the jeopardy because users mostly use same username and password on many sites, including bank accounts. If the website is asking to save user login details, then as an alert web user you should first check whether the website is protected with an SSL or not for the safety.
SSL supports the following security for the secure website: