SECOM: New Subordinate CA Request(Cybertrust Japan SureMail CA G5)

SECOM Trust Systems submitted a request for Cybertrust Japan to operate a new subordinate CA, the Cybertrust Japan SureMail CA G5. This request was made under the Mozilla Root Store Policy for Externally Operated Subordinate CAs. The request included a comprehensive review of Cybertrust's compliance with S/MIME Baseline Requirements, confirming their readiness to issue certificates. The request was approved following a public discussion that ended on January 10, 2025, and the subordinate CA certificate has been registered with the Common CA Database (CCADB). Cybertrust Japan is expected to upload the Key Generation Report once received from the auditing firm.

1. 2024-11-25 SECOM submitted a request for a new subordinate CA certificate.
2. 2025-01-10 Public discussion on the request concluded.
3. 2025-01-14 SECOM's request was approved.
4. 2025-01-15 Cybertrust Japan registered the subordinate CA certificate with CCADB.

1. 2024-11-25 Ml representative — SECOM submitted the request for the new subordinate CA.
2. 2024-12-17 Mozilla representative — Created attachment with findings supporting SECOM's decision.
3. 2025-01-14 Mozilla representative — Public discussion ended; SECOM's request is approved.
4. 2025-01-15 Ml representative — Cybertrust Japan registered the subordinate CA certificate with CCADB.