CA (Certificate Authority)
Definition by Best Host Ratings
A company that verifies the identity of merchants and their web sites. It is an organization that issues certificates which identify the web server origin. These certificates are called Secure certificates and are a part of the SSL(https) protocol. This protocol has provides secure communication between a use and a web server by encrypting the data transmission. SSL certificates are usually used on eCommerce sites where a user enters sensible information as login details, credit card information, etc.
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