SHINDO2

Five Foxes Co., Ltd.

RansomwareSize not disclosed

POSSIBLE LEAKInvestigating

Open in the live monitor ▶
Disclosed
Jul 27, 2026
Detected
Jul 8, 2026
Detection to disclosure
19 days
Leak
Leak possible
Type
Ransomware
Status
Investigating
Security spend
Not checked yet
Compensation
Not announced

What leaked

UnspecifiedPersonal information

Cause

Some servers were infected with ransomware

Timeline

  1. Ransomware infection of some servers confirmed
  2. Date of the Security NEXT report

Response

  • Blocked the entry point
  • Forensic investigation

Servers shut down; internet and email use suspended. Investigation with outside help into any leak of personal information

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