SGK Inc., a marketing firm based in Des Plaines, Illinois, was targeted by the threat actor coinbasecartel, resulting in a ransomware incident. The attack impacted the United States.
Incident Details
- Victim: SGK INC
- Country: US
- Actor: coinbasecartel
- Source: http://fjg4zi4opkxkvdz7mvwp7h6goe4tcby3hhkrz43pht4j3vakhy75znyd.onion/companies/sgk
- Discovered: 2025-11-13 14:18:16.302176
- Published: 2025-11-13 14:18:02.732912
Information
- Ransomware attack targeted SGK INC.
- Perpetrator identified as coinbasecartel.
- Company located in Des Plaines, Illinois.
- SGK INC is a marketing firm specializing in global brand development, activation, and deployment.

Disclaimer: This post is based on public claims made by the ransomware group "coinbasecartel". 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.