SHINDO2

School Library Book Association

RansomwareSize not disclosed

LEAK UNCLEARInvestigating

Open in the live monitor ▶
Disclosed
Jan 26, 2026
Leak
Unknown
Type
Ransomware
Status
Investigating
Security spend
Not checked yet
Compensation
Not announced

What leaked

UnspecifiedImpact, including any data leak, under investigation

Who is affected

  • Users (details unknown)

Cause

The site operator's investigation found a cyberattack, likely including ransomware

Timeline

  1. Service suspended
  2. Reported to authority
  3. Security NEXT report date

Response

  • Service stopped
  • Forensic investigation

Shut down related servers; restoring while investigating the scope and cause

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