SHINDO2

Ministry of Health, Labour and Welfare

Unauthorized accessSize not disclosed

NO LEAK FOUNDClosed (final report)

Open in the live monitor ▶
Disclosed
Jan 28, 2026
Leak
No leak
Type
Unauthorized access
Status
Closed (final report)
Security spend
Not checked yet
Compensation
Not announced

Who is affected

  • People who visited the site while it was defaced

Cause

The site was altered so that pages other than the real ones were displayed

Timeline

  1. Intrusion began
  2. Service restored
  3. Security NEXT report date

Response

  • Phishing warning

Asked visitors during the defacement to scan for malware with security software and remove any found

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