SHINDO1
Score Japan Co., Ltd.
Personal data0records
NO LEAK FOUNDUnauthorized access · Closed (final report)
Open in the live monitor ▶- Disclosed
- Sep 16, 2026
- Detected
- Sep 16, 2026
- Detection to disclosure
- Same day
- Leak
- No leak
- Type
- Unauthorized access
- Status
- Closed (final report)
- Security spend
- Not checked yet
- Compensation
- Not announced
Not leaked
- There was no external leak of customers' personal data
How many
- Personal data leaked (none) 0 records
Cause
Third-party unauthorized access altered the home page, sending visitors from search engines to unrelated sites
Timeline
- Detected
- First disclosure
Response
- Data deleted
- More monitoring
Removed the malicious code and restored the site; plans stronger security and monitoring
What you should do
- Check the company's notice to see if you're affected
Lessons for companies
- 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
- Score Japan Co., Ltd. Official notice · Sep 16, 2026