Considering the requirements of security certificate in web sites, it is necessary to know what is ssl certificate and the way in which ssl certificate operate. Diverse ssl certificates cater to diverse business objectives, where simple domain validation is a basic ssl certificate, and enterprise grade is a complex ssl certificate. High levels of ssl protection are useful in protecting users information and enhancing credibility as well as compliance expectations. The companies are to obtain ssl certificate solutions that would correspond to the levels of risks, the size of traffic, and the trust of the brand. C9Lab insights propose that an SSL Certificate should be selected according to the sensitivity of its operation instead of focusing on the cost to secure the sustainability of the site protection and the prospective digital sustainability.