When certificates are no longer valid

 

Digital certificates are issued for a fixed period and are not valid after their expiry date. Certificates can also become untrustworthy for various reasons, including:

• The owner has moved to a different organization

• The private key is no longer secret

A Certification Authority can revoke a certificate that is no longer trusted by publishing it in a Certificate Revocation List (CRL). For more information, refer to Working with Certificate Revocation Lists and Authority Revocation Lists.

 

Parent topic:

How digital certificates work

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