SHINDO2
Iwatani Corporation
Unauthorized accessSize not disclosed
LEAK UNCLEARInvestigating
Open in the live monitor ▶- Disclosed
- Mar 16, 2026
- Detected
- Mar 16, 2026
- Detection to disclosure
- Same day
- Leak
- Unknown
- Type
- Unauthorized access
- Status
- Investigating
- Security spend
- Not checked yet
- Compensation
- Not announced
What leaked
UnspecifiedCustomer personal data (no unauthorized retrieval confirmed so far)
Who is affected
- Customers
Cause
Unauthorized access by a third party; entry route not disclosed
Timeline
- Unauthorized access by a third party confirmed
- Announced
Response
- Forensic investigation
Set up an internal response team with outside security specialists and investigated the scope
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
- Security Measures Lab Researcher · Mar 17, 2026