ERR

ERR

Data Breach on November 28, 2025
Data Breach Report
Victimerr.ch
Claimed ByQilin
Date DiscoveredNov 28, 2025
DescriptionERR AG is an architectural and spatial‑planning firm based in Switzerland, specializing in comprehensive urban planning, mobility and environmental planning, land‑use and zoning plans, and sustainable community-stadt‑ and regional‑development projects.
Leak Size278GB

Credential Exposure for err.ch

We've indexed 12 @err.ch accounts from external breaches.

Last checked Aug 23, 2026

@err.ch addresses from external breaches
Third-party breaches12 accounts · across 17 breaches · 10 with a plaintext password · most recent Feb 8, 2021
Combo lists7 accounts · most recent Jul 16, 2026

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

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