What is a Certificate Authority? | Security Encyclopedia

What is a certificate authority (CA)? | Definition from TechTarget

Question 13A Certificate Authority (CA) had its issuing authority revoked, and its certificates expired.How might those certificates still appear valid, even though they should be on the CertificateRevocation List (CRL)?The company was a Root CA.The CA blocked companies from adding it to the CRL.The company did not implement a CRL.The CRL still requires updating.

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