City of Signal Hill

City of Signal Hill

Data Breach on December 15, 2025
Data Breach Report
Victimcityofsignalhill.org
Threat ActorINC_RANSOM
Date DiscoveredDec 15, 2025
DescriptionCity of Signal Hill is a municipal government based in the USA (California), providing public administration, city services, community planning, parks & recreation, and local governance for residents.
Leak SizeUnknown

Credential Exposure for cityofsignalhill.org

We've indexed 61 @cityofsignalhill.org accounts from external breaches.

Last checked Aug 16, 2026

@cityofsignalhill.org addresses from external breaches
Third-party breaches59 accounts · across 25 breaches · 40 with a plaintext password · most recent Feb 24, 2025
Combo lists18 accounts · most recent Aug 6, 2026

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

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