Security Update Update on our TLS certificates Digital signature, eSign, emSigner, CertiNext, emCA, PrivaTrust and SecurePass are not affected · Updated 30 Oct 2026 Read the Update
Security Update Update on our TLS certificates Read the Update

How does certificate revocation work in PKI?

Certificate revocation ensures that compromised or invalid certificates are no longer trusted.

Revocation occurs when:

  • A private key is compromised
  • The certificate holder’s status changes
  • Incorrect information was issued

The CA updates Certificate Revocation Lists (CRL) or Online Certificate Status Protocol (OCSP) responses. Systems automatically check revocation status before trusting a certificate, maintaining ongoing integrity and trust.

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