DigiCert: Microsoft: Incident report for Microsoft Dynamics incident
This case involves a security incident related to a certificate issued by a subordinate CA operated by Microsoft and signed by DigiCert. The incident was triggered by a failure in the CA's problem reporting mechanism and a delay in revocation actions following a key compromise. DigiCert was required to provide an incident report to Mozilla, detailing the timeline of events and actions taken. The report confirmed that the certificate was revoked on December 4, 2017, after the compromise was validated. The incident has been resolved, and DigiCert has implemented measures to improve compliance and response mechanisms.
- Certificate was revoked following validation of a key compromise.
- Fastly representative — Requested DigiCert to file a standard incident report.
- Mozilla representative — Confirmed that DigiCert is responsible for providing the incident report.
- DigiCert — Provided a summary of the incident and confirmed that all actions have been completed.
- Fastly representative — Marked the case as resolved after all actions were completed.