SHINDO1
MINC Internet
Minaminihon Information Processing Center Co., Ltd.
Personal data0records
NO LEAK FOUNDUnauthorized access · Closed (final report)
Open in the live monitor ▶- Disclosed
- Sep 17, 2026
- Detected
- Sep 17, 2026
- Detection to disclosure
- Same day
- Leak
- No leak
- Type
- Unauthorized access
- Status
- Closed (final report)
- Security spend
- Not checked yet
- Compensation
- Not announced
How many
- Personal data leaked (none confirmed) 0 records
Cause
Unauthorized access exploiting a vulnerability in the company website altered some pages
Timeline
- Detected
- First disclosure
Response
- Patched
- More monitoring
Fixed the vulnerability that caused it and restored the site; plans to strengthen monitoring and security
What you should do
- Check the company's notice to see if you're affected
Lessons for companies
- Patch internet-facing servers, VPNs and admin panels first. Exploits follow disclosure within days
- Report to the PPC: preliminary in 3–5 days, final in 30 (60 if malicious)
- Run red teaming and AI-assisted hardening, and publish how much you invest
Sources
- cybersecurity-jp.com News · Sep 24, 2026
- MINC Internet Official notice · Sep 17, 2026