Four Quarters

Four Quarters

Data Breach on June 30, 2025
Data Breach Report
Victimfourquartersinc.com
Threat ActorWorldLeaks
Date DiscoveredJun 30, 2025
DescriptionFour Quarters provides commercial & residential HVAC, plumbing, heating, and air-quality services, including design-build, maintenance, and emergency support.
Leak Size410.7GB

Credential Exposure for fourquartersinc.com

We've indexed 6 @fourquartersinc.com accounts from external breaches.

Last checked Aug 16, 2026

@fourquartersinc.com addresses from external breaches
Third-party breaches5 accounts · across 10 breaches · 5 with a plaintext password · most recent Feb 8, 2021
Combo lists4 accounts · most recent Jun 30, 2026

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

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