SHINDO2

Aoyama Main Kikaku

RansomwareSize not disclosed

POSSIBLE LEAKInvestigating

Open in the live monitor ▶
Disclosed
Jan 19, 2026
Detected
Jan 12, 2026
Detection to disclosure
7 days
Leak
Leak possible
Type
Ransomware
Status
Investigating
Security spend
Not checked yet
Compensation
Not announced

What leaked

UnspecifiedFiles containing personal data

Who is affected

  • Customers and others (no detail in the article)

Cause

Ransomware attack; the ransom note also tried to lure the company into an online meeting

Timeline

  1. Files on servers found encrypted by ransomware
  2. Reported to authority
  3. Security NEXT report date

Response

  • Blocked the entry point
  • Forensic investigation

Disconnected and shut down the affected servers and PCs; an outside organization is analyzing logs

What you should do

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

Lessons for companies

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

Sources