Siena Construction

Siena Construction

Data Breach on April 07, 2026
Data Breach Report
Victimsienaconstruction.com
Threat ActorNightSpire
Date DiscoveredApr 07, 2026
DescriptionSiena Construction is a construction company based in the USA (California), specializing in residential and commercial building, renovation, and project management services.
Leak Size350GB

Credential Exposure for sienaconstruction.com

We've indexed 17 @sienaconstruction.com accounts from external breaches.

Last checked Aug 16, 2026

@sienaconstruction.com addresses from external breaches
Third-party breaches16 accounts · across 28 breaches · 16 with a plaintext password · most recent Aug 18, 2024
Combo lists7 accounts · most recent Dec 3, 2025

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

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