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Stahlbau Mann GmbH

payload

Ransomware leak-site victim intelligence

Data size
147 GB
Views
5,530
Posted
Nov 3, 2026
Country
Germany
Industry
Manufacturing

Summary

Written by ThreatClusterfrom leak post

The group payload claims to have exfiltrated 147 GB of data from Stahlbau Mann GmbH, and the leak has been published on the group’s leak site. The group describes Stahlbau Mann GmbH as a German structural engineering and manufacturing company specializing in the design, fabrication and assembly of steel structures. These are the group’s claims; no independent verification is provided in the material.

Describes what the group claims on its leak site. A listing is not confirmation that a breach occurred.

What was taken

Stahlbau Mann GmbH is a German structural engineering and manufacturing company specializing in the design, fabrication, and assembly of steel structures. The company builds load-bearing frameworks for industrial plants, logistics and warehouse complexes, and commercial centers, as well as customized architectural and facade components. It delivers end-to-end solutions, covering everything from engineering calculations and 3D modeling to final on-site installation in accordance with European building standards.