Hartmann Bau
bd_7b5a4fc807743d4b · schema v1 · pii pii-v1
Full breach record for Hartmann Bau →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group DragonForce on its public extortion blog. It has not been validated by the victim or any regulator. Treat attribution and counts as the threat actor's assertion until a regulatory filing or victim disclosure corroborates them.
Source: Ransomware.live
Post text · scraped from the leak site
Hartmann Bau GmbH is a construction company based in Borgentreich near Kassel, specializing in residential, commercial, agricultural, and civil engineering projects in the Paderborn, Höxter, and Kassel areas. With over 80 years of experience, the company emphasizes quality, timely completion, and customer satisfaction as the foundation for successful construction projects. They offer a comprehensive range of services from planning to key handover, ensuring adherence to high standards and legal requirements. Their team is equipped to handle diverse projects, including offices, housing, barns, and warehouses, tailored to clients' specific needs
Source provenance
- Source URL
- https://www.ransomware.live/
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Mar 18, 2026
- Raw hash
- d1502c3c8d4ecfc8ea5a25074ec5451ddfeb24f04899a9f7519074aa7f7944e7
Reporting entity
- Name
- dragonforce
Victim entity
- Name
- Hartmann Baunorm: hartmann bau
- Domain
- hartmann-bau.ch
- Industry
- Construction
What this source establishes
- Source ceiling
- A leak-site claim can't tell us: discovery date · materiality · notification · affected count · confirmed data types · compliance clock. These stay blank until a regulatory filing or victim disclosure lands.
- Attack vector
- Ransomware· dragonforce
- Threat actor
- DragonforceExternalFinancial
Compliance
- Compliance flags
- — (clock not assessable for this source)
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.