SHINDO2

Osato Town

Personal recordsup to200records

POSSIBLE LEAKPostal address / Trade secretsTheft · Closed (final report)

Open in the live monitor ▶
Disclosed
May 25, 2026
Detected
May 13, 2026
Detection to disclosure
12 days
Leak
Leak possible
Type
Theft
Status
Closed (final report)
Security spend
Not checked yet
Compensation
Not announced

What leaked

IdentityName
ContactAddress
Business dataBuilding plan summaries

How many

  • Personal records up to 200 records

Who is affected

  • Owners of new buildings in fiscal 2022 to 2024

Cause

The anti-theft wire was cut in the first-floor tax section and one PC with peripherals was stolen

Timeline

  1. Stolen late at night
  2. Detected
  3. Yamato Police Station
  4. Reported to authority
  5. First disclosure

Response

  • Notified individuals
  • Phishing warning

Visiting affected people to apologize and warn about fraud

What you should do

  1. Watch for unexpected mail or invoices; your address is hard to change
  2. 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