![]() Intermediate CA: an intermediate CA is a subordinate certificate authority issued by the trusted root to sign digital keys. Maintaining availability, continuity and security of certificate issuance signing functions.Having the ability to revoke public key certificates.Allowing subscribers to request for revocation. ![]() Generating and publishing certificate status information.Generating, issuing and distributing the public key certificates.Generally, CA is responsible for the following duties: ![]() The CA can be either an external CA to the company, such as a commercial CA that charges for its service or an internal CA to the company, one that facilitates service to its workforce. Examples of the best certification authorities today include Symantec, VeriSign, GeoTrust, Comodo and Digicert. Security+ aspirants must be mindful of the following important PKI components.Ĭertificate authority (CA): a CA is the third-party trusted agency that issues digital certificates for verifying entities on the internet. What are essential PKI components for Security+?
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