Offers useful products and services, such as Extended Validation (EV) certificates, bulk/automated certificate issuance via an intuitive API or the ACME protocol, easy certificate life-cycle management and monitoring services, and support for integration with an extensive list of 3rd party solutions.Searching industry forums like can give you a good idea about how a particular CA reacts to adversity. Responds efficiently and effectively to vulnerability discoveries affecting user security and privacy, such as the industry-wide serial number entropy issue of early 2019.These businesses have the most to lose if poor security practices come to light, and everything to gain by keeping up with evolving industry standards. Does most of its business in the field of publicly trusted PKI.All publicly trusted CAs are subject to rigorous third-party audits to maintain their position in major operating system and browser root certificate programs, but some are better at maintaining that status than others. Your certificates are only as trustworthy as the CA that issues them.

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