SHINDO2

Hikari Seiko

Hikari Seiko Co., Ltd.

RansomwareSize not disclosed

LEAK UNCLEARInvestigating

Open in the live monitor ▶
Disclosed
Feb 12, 2025
Leak
Unknown
Type
Ransomware
Status
Investigating
Security spend
Not checked yet
Compensation
Not announced

What leaked

UnspecifiedWhether any data leaked is under investigation

Who is affected

  • Under investigation (no affected group named in the article)

Cause

An outside cyberattack hit some servers with ransomware

Timeline

  1. Intrusion began
  2. Date of the Security NEXT report

Response

  • Blocked the entry point

Isolated the affected servers and is responding with outside help; the intrusion route has been mostly identified

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