, a service Microsoft uses to manage authentication for Microsoft accounts (formerly Live IDs) across various applications like Office, Outlook, and OneDrive. Microsoft Learn Purpose and Function
A Certificate Revocation List (CRL) is a list of digital certificates that have been revoked and are no longer valid. When a certificate is issued to an entity, it is valid for a specific period. However, due to various reasons such as security breaches, changes in user status, or certificate expiration, certificates may need to be revoked before their scheduled expiration date. A CRL is a repository of such revoked certificates, which helps to prevent their use in secure communication. identitycrl registry
However, for (government IDs, corporate badges, long-term code signing), the IdentityCRL Registry remains essential. Short-lived certs are impractical for smart cards issued to 100,000 employees for 3 years. , a service Microsoft uses to manage authentication