Sumitomo Chemical Co. Limited — Ransomware Incident Claimed by Cl0p
- Victim: Sumitomo Chemical Co. Limited
- Claimed by Cl0p
- Date claimed: 2025-11-21
- Country: JP
- Sector: Manufacturing
Sumitomo Chemical Co. Limited is a Japan-based company involved in the petrochemicals, energy, and functional materials sectors. Sumitomo Chemical offers a wide range of products and services from raw materials to processed products in each of these areas.