← SECOM Trust Systems CO., LTD. cases
Bugzilla #1544712 Certificate Problem Report

SECOM: certificate for which “OU=-”

RESOLVED FIXED SECOM Trust Systems CO., LTD.
AI Summary

SECOM Trust Systems identified a certificate issued with an invalid organizational unit (OU) value of 'OU=-'. Upon discovery on February 6, 2019, they contacted the customer for revocation, which was completed by February 13, 2019. The issue arose due to a bug in their input data validation system. SECOM has since committed to upgrading their system to prevent similar occurrences in the future. The case has been resolved, and all questions from the community have been addressed.

Model: gpt-4o-mini Generated: 2026-06-13 18:11 UTC Confidence: 0.90
Chronology
  1. Certificate issued.
  2. Problem certificate discovered during investigation.
  3. Certificate revoked.
  4. Incident report posted in Bugzilla.
  5. Improvement measures completed.
Participants
Hisashi Kamo Ryan Sleevi W. Thayer
Similar Local Cases
#1544722 RESOLVED Certificate Problem Report Opened 2019-04-16 · Closed 2023-02-22 · 82% similar
SECOM: certificate for which “L” and “ST” not set
#1539358 RESOLVED Certificate Problem Report Opened 2019-03-27 · Closed 2023-02-22 · 74% similar
SECOM: Insufficient Serial Number Entropy
#1649962 RESOLVED Certificate Problem Report Opened 2020-07-02 · Closed 2023-02-22 · 68% similar
SECOM: Incorrect OCSP Delegated Responder Certificate
#1560234 RESOLVED Certificate Problem Report Opened 2019-06-20 · Closed 2022-11-14 · 68% similar
SECOM: Ambiguity on KeyUsage with ECC public key
#1695993 RESOLVED Certificate Problem Report Opened 2021-03-02 · Closed 2024-06-30 · 64% similar
SECOM: Outdated audit statements for intermediate certificates
#1695938 RESOLVED Certificate Problem Report Opened 2021-03-02 · Closed 2024-06-30 · 64% similar
SECOM: FUJIFILM intermediate CA Certificate not listed in audit statement
#477243 RESOLVED Certificate Problem Report Opened 2009-02-06 · Closed 2022-11-14 · 62% similar
Collect the full set of URLs for all CRLs used by EV certs issued by SECOM Trust
#1524452 RESOLVED Certificate Problem Report Opened 2019-02-01 · Closed 2023-02-22 · 62% similar
SECOM: certificate for .test TLD

We use only essential cookies and local browser storage for preferences and security. See our Privacy Policy for details.

Confirm action