Ransomware Group aurora Hits: Planungsgruppe M+M AG
Summary
In the latest cybersecurity news, Planungsgruppe M+M AG — an organization based in CH — has fallen victim to a ransomware attack conducted by the group aurora. This data breach, discovered on 2026-08-17T16:22:52.792149+00:00, underscores the increasing need for proactive cybersecurity defenses as we continue through 2026.
Incident Report
| Attribute | Information |
|---|---|
| Target Organization | Planungsgruppe M+M AG |
| Threat Group | aurora |
| Summary | 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). Annual revenue: approximately €52 million. 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.
The exfiltrated dataset spans two complete file servers (MMBB04, MMBB05), plus the DATEV financial processing archives, SFirm banking software databases, the ELO document management system, Outlook email archives (PSTs), and payroll/HR data — a total of 268 GB across approximately 124,000 files, covering 2006 to 2026. |
| Date of Breach | 2026-08-17T00:00:00+00:00 |
| Discovery Date | 2026-08-17T16:22:52.792149+00:00 |
| Region | CH |
| Target Domain | Planungsgruppe M+M AG |
| Business Sector | Professional Services |
How to reduce your ransomware risk
Most ransomware intrusions start with a stolen password or a phishing email. A few proactive steps sharply cut your exposure:
- security awareness training — close the gap attackers exploit.
- dark web monitoring — close the gap attackers exploit.
Want to know if you’re already exposed? Run a free scan with the HookPhish data breach checker.
Disclaimer
HookPhish does not engage in the exfiltration, downloading, taking, hosting, viewing, reposting, or disclosure of any stolen information. All breach data reported here is sourced from publicly available threat intelligence feeds for awareness purposes only.
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