Revocation and Validation: CRLs, OCSP, and Trust Problems (1.3)

from Certified: The CompTIA Security+ Audio Course Hosted by Dr. Jason Edwards

This episode explains why certificates sometimes must be revoked before their normal expiration date and how systems check whether a certificate should still be trusted. A certificate may be revoked because a private key was compromised, the certificate was issued incorrectly, the owner changed, or the service no longer exists. Students should recognize certificate revocation lists and the Online Certificate Status Protocol as validation methods used to determine certificate status. Exam scenarios may involve expired certificates, browser warnings, broken TLS connections, failed validation, or trust chain errors that prevent users and systems from safely communicating. Produced by BareMetalCyber.com, where you’ll find more cyber audio courses, books, and information to strengthen your educational path. Also, if you want to stay up to date with the latest news, visit DailyCyber.News for a newsletter you can use, and a daily podcast you can commute with. And dont forget Cyberauthor.me for the companion study guide and flash cards!

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Revocation and Validation: CRLs, OCSP, and Trust Problems (1.3)

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This episode is 13 minutes long.

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This episode was published on July 15, 2026.

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