Clop threat actors have claimed a ransomware attack on Sumitomo Chemical Co. Limited, a Japan-based company operating across petrochemicals, energy, and other sectors, potentially disrupting their wide range of operations. #Japan
Incident Details
- Victim: SUMITOMOCHEMICAL.COM
- Country: JP
- Actor: clop
- Source: http://santat7kpllt6iyvqbr7q4amdv6dzrh6paatvyrzl7ry3zm72zigf4ad.onion/sumitomochemical-com
- Discovered: 2025-11-21 13:06:28.773865
- Published: 2025-11-21 13:06:13.793233
Information
- Sumitomo Chemical Co. Limited is involved in petrochemicals, energy, and functional materials sectors.
- The company also engages in construction materials, pharmaceuticals, and agricultural chemicals.
- Offers a diverse range of products and services, from raw materials to processed goods.
- Aims to resolve societal issues through its business activities.
- Committed to implementing sustainable practices.
- Strives to nurture a vibrant corporate culture.

Disclaimer: This post is based on public claims made by the ransomware group "clop". I cannot confirm the accuracy of the information. However, I would be happy to share any official statement from the affected organization to provide clarification.