What is an SSL certificate and why SSL certificate is important? The organization's details bind with the cryptographic key and generate small data file which on called as SSL certificate. SSL stands for Secure Sockets Layer. SSL and another TLS i.e. Trasport Layer Security protocol are cryptographic protocol designed to provide security for communications over the computer network. SSL certificate generally used to provide secure communication between web browser and server. All the transaction of data i.e. communication between the web browser and server takes place over the secure connections. The transaction may be a credit card transaction, secure login, access to the financial website, browsing of social media sites etc. Importance of SSL certificate To Protect user data If you implement SSL, all the information sent across the computer network encrypted so that only the end entity can access it. For better Google Ranking From 2018 Google had decided to display "Not Secure" flag for the websites which do not have an SSL\/TLS certificate installed on their website. For PCI Compliance As per the Payment Card Industry(PCI) standards, SSL certificate is required to accept credit card information on your website. For Customer Trust Nowadays almost all browser display "Not a secure web" if the website does not have an SSL\/TLS certificate. This will reduce customer trust on the website. As per SSL Renewals, "SSL certificates are vital from a customer trust point of view. The easy to identify signs inform the users that the data they send will be secured. And if you\u2019ve installed an OV or EV SSL, they can see your organization\u2019s details."