Stadtwerke Clausthal-Zellerfeld — Ransomware Incident Claimed by SafePay
- Victim: Stadtwerke Clausthal-Zellerfeld
- Claimed by SafePay
- Date claimed: 2025-12-16
- Country: DE
- Sector: Energy
Stadtwerke Clausthal-Zellerfeld is a municipal utility company (Stadtwerk) serving the town of Clausthal-Zellerfeld in Lower Saxony, Germany.