Hartshorne Plunkard Architecture

Hartshorne Plunkard Architecture

Data Breach on June 19, 2025
Data Breach Report
Victimhparchitecture.com
Threat ActorQilin
Date DiscoveredJun 19, 2025
DescriptionHartshorne Plunkard Architecture (HPA) is a full-service architecture, interior design, and urban planning firm with national U.S. projects since 1987.
Leak Size50GB

Credential Exposure for hparchitecture.com

We've indexed 37 @hparchitecture.com accounts from external breaches.

Last checked Aug 16, 2026

@hparchitecture.com addresses from external breaches
Third-party breaches37 accounts · across 39 breaches · 31 with a plaintext password · most recent Aug 17, 2025
Combo lists17 accounts · most recent Apr 23, 2026

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

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