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Leak-site post naming Brüninghoff Group, captured by ThreatCluster

Brüninghoff Group

payload

Ransomware leak-site victim intelligence · EN

Data size
14 GB
Views
8,381
Posted
Oct 20, 2026
Country
Germany
Industry
Construction, Prefabrication

Summary

Written by ThreatClusterfrom victim profile, leak post

The group claims 40 GB of data was taken from Brüninghoff Group (brueninghoff.de). The leak page describes Brüninghoff Group as a German construction and manufacturing company headquartered in Heiden, with around 700 employees. Publication status on the leak page is countdown.

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

Victim profile

Employees
0
Founded
1974
Domains
brueninghoff.de

What was taken

Brüninghoff Group (brueninghoff.de) is a German construction and manufacturing company headquartered in Heiden, founded in 1974. The company specializes in turnkey project development, engineering, and the prefabrication of hybrid timber, concrete, and steel building systems. With around 700 employees, it strongly emphasizes sustainable, energy-efficient building methods for commercial, residential, and public architecture.

Leak-site images (1)

Images from the victim's leak listing. Thumbnails scraped from the onion page are blurred by default — click a thumbnail to view.

ThreatCluster capture