SHINDO2

Higuchi Shokai Co., Ltd.

RansomwareSize not disclosed

POSSIBLE LEAKTrade secrets / Company nameInvestigating

Open in the live monitor ▶
Disclosed
Jun 30, 2026
Detected
Jun 29, 2026
Detection to disclosure
1 day
Leak
Leak possible
Type
Ransomware
Status
Investigating
Security spend
Not checked yet
Compensation
Not announced

What leaked

Business dataFinancial information of a subsidiary, Business partners' company names, addresses and contact details

Who is affected

  • Business partners with direct dealings with the subsidiary

Cause

Unauthorized access apparently caused by a ransomware infection

Timeline

  1. Learned of it from an outside business partner
  2. Report on the unauthorized-access incident

Response

  • Blocked the entry point
  • Forensic investigation

Stopped using and disconnected the affected equipment; internal IT staff and outside specialists are investigating the cause and scope

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