SHINDO2

Koa Glass Co., Ltd.

RansomwareSize not disclosed

LEAK UNCLEARInvestigating

Open in the live monitor ▶
Disclosed
May 26, 2026
Detected
May 17, 2026
Detection to disclosure
9 days
Leak
Unknown
Type
Ransomware
Status
Investigating
Security spend
Not checked yet
Compensation
Not announced

What leaked

UnspecifiedData on internal servers (no leak confirmed)

Who is affected

  • Stakeholders (details unknown)

Cause

Ransomware attack; route not disclosed

Timeline

  1. Detected
  2. Detected
  3. First disclosure

Response

  • Blocked the entry point
  • Forensic investigation

Isolated the network, consulted the police and set up a task force

What you should do

  1. Expect targeted phishing posing as HR or interview contacts
  2. 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