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Privilege revocation is a variant of privilege separation whereby the program terminates the privileged part immediately after it has served its purpose. If a program doesn't revoke privileges, it risks the escalation of privileges. Revocation of privileges is a technique of defensive programming.
Certificate revocation is "an important tool" for dealing with attacks and accidental compromises. RFC 9325 places a normative requirement on TLS implementations to have some means of distrusting certificates. [9]
The most common reason for revocation is the user no longer being in sole possession of the private key (e.g., the token containing the private key has been lost or stolen). Hold This reversible status can be used to note the temporary invalidity of the certificate (e.g., if the user is unsure if the private key has been lost).
The OCSP responder uses the certificate serial number to look up the revocation status of Alice's certificate. The OCSP responder looks in a CA database that Carol maintains. In this scenario, Carol's CA database is the only trusted location where a compromise to Alice's certificate would be recorded.
The only increased risk of OCSP stapling is that the notification of revocation for a certificate may be delayed until the last-signed OCSP response expires. As a result, clients continue to have verifiable assurance from the certificate authority that the certificate is presently valid (or was quite recently), but no longer need to ...
Privilege revocation can mean: In the context of computer security, Privilege revocation (computing) In a legal context, Privilege revocation (law)
UN Number Class Proper Shipping Name UN 3401: 4.3: Alkali metal amalgam, solid : UN 3402: 4.3: Alkaline earth metal amalgam, solid : UN 3403: 4.3: Potassium metal ...
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