SHINDO2

Anamizu Town

LossSize not disclosed

POSSIBLE LEAKPostal address / Date of birthContained

Open in the live monitor ▶
Disclosed
Jul 27, 2026
Detected
Jul 9, 2026
Detection to disclosure
18 days
Leak
Leak possible
Type
Loss
Status
Contained
Security spend
Not checked yet
Compensation
Not announced

What leaked

IdentityFull name, Date of birth, Gender
ContactAddress

Who is affected

  • Residents eligible for fiscal 2025 health checkups

Cause

A USB stick used for work was lost inside the town office

Timeline

  1. Loss discovered
  2. First disclosure

Response

  • Staff training
  • Change process

Offices, shared areas, papers and waste storage searched and staff interviewed. Rules for external storage media to be revised and security training given

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