Hartmann Bau

Hartmann Bau

Data Breach on March 19, 2026
Data Breach Report
Victimhartmann-bau.ch
Claimed ByDragonForce
Date DiscoveredMar 19, 2026
DescriptionHartmann Bau is a construction company based in Switzerland, providing civil construction and building project services.
Leak Size

Credential Exposure for hartmann-bau.ch

We've indexed 1 @hartmann-bau.ch accounts from external breaches.

Last checked Sep 13, 2026

@hartmann-bau.ch addresses from external breaches
Third-party breaches1 accounts · across 2 breaches · 1 with a plaintext password · most recent Feb 8, 2021
Combo lists1 accounts · most recent Nov 25, 2025

None of this is necessarily connected to the ransomware attack above.

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