Certigna: AIA CA issuer field pointing to PEM encoded cert

Certigna reported a compliance issue regarding the 'Authority Information Access' (AIA) field of its intermediate CA certificate 'FR03', which pointed to a certificate in PEM format instead of the required DER format. This issue was identified through a third-party report on December 6, 2025, and was not associated with any SSL/TLS or S/MIME certificates. Certigna took immediate action by halting certificate issuance under the impacted CA and deployed a fix on December 9, 2025, to correct the AIA field. The incident was formally reported, and all action items related to the issue have been completed, leading to the resolution of the case.

1. 2025-12-06 Non-compliance identified through a third-party report.
2. 2025-12-09 Fix deployed to correct the AIA field.
3. 2025-12-15 Incident report finalized and action items completed.

1. 2025-12-08 Dhimyotis representative — Preliminary incident report submitted regarding the AIA field non-compliance.
2. 2025-12-12 Dhimyotis representative — Full incident report published detailing the timeline and actions taken.
3. 2025-12-20 Dhimyotis representative — Updated action items and report closure summary provided.