There are a lot of reasons why this could happen. If the certificate of the website that you try to visit appears on the CRL list, it means it has been revoked and the issuer no longer trusts it. A Certificate Revocation List (CRL) is a list of revoked certificates that is used to determine if the current certificate is still trusted. It establishes trust between the browser and the websites that you are visiting. What is a security certificate?Ī certificate works in a similar way to a physical document. This message essentially means that the security certificate for the website in question is not available, has been revoked, or was found in the certification revocation list ( CRL).īy clicking the View Certificate button, users can check the certificate associated with the secure domain or webpage. Some users are receiving the “ revocation information for the security certificate for this site is not available” error in the form of a security alert when visiting secure websites.

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