SHINDO2

Yamada Body Kogyosho

Unauthorized accessSize not disclosed

LEAK UNCLEARInvestigating

Open in the live monitor ▶
Disclosed
May 27, 2026
Leak
Unknown
Type
Unauthorized access
Status
Investigating
Security spend
Not checked yet
Compensation
Not announced

What leaked

UnspecifiedCustomer data (possible access under investigation)

Not leaked

  • The server was isolated from the internal network; the online store and related systems were not affected

Who is affected

  • Customers

Cause

Unauthorized outside access to a server; route under investigation

Timeline

  1. Email sending and receiving failed
  2. First disclosure

Response

  • Blocked the entry point
  • Forensic investigation

Isolated the network, moved email to a separate environment, investigating with outside experts

What you should do

  1. Check the company's notice to see if you're affected

Lessons for companies

  1. Report to the PPC: preliminary in 3–5 days, final in 30 (60 if malicious)
  2. Run red teaming and AI-assisted hardening, and publish how much you invest

Sources