Planungsgruppe M+M AG — Ransomware Incident Claimed by Aurora
- Victim: Planungsgruppe M+M AG
- Claimed by Aurora
- Date claimed: 2026-08-17
- Country: CH
- Sector: Professional Services
- Severity: High
Planungsgruppe M+M AG is a German Aktiengesellschaft headquartered in Böblingen, Baden-Württemberg, with approximately 432 employees across 10 offices (Böblingen, Stuttgart, München, Nürnberg, Regensburg, Ingolstadt, Augsburg, Esslingen, Mannheim, Frankfurt). The firm provides architecture, urban planning, structural engineering, building physics, fire protection, BIM, landscape planning, and interior design services. Over 5,200 projects completed across decades of operation.