
Four Quarters
Data Breach on June 30, 2025
| Data Breach Report | |||
|---|---|---|---|
| Victim | fourquartersinc.com | ||
| Threat Actor | WorldLeaks | ||
| Date Discovered | Jun 30, 2025 | ||
| Description | Four Quarters provides commercial & residential HVAC, plumbing, heating, and air-quality services, including design-build, maintenance, and emergency support. | ||
| Leak Size | 410.7GB |
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 breaches | 5 accounts · across 10 breaches · 5 with a plaintext password · most recent Feb 8, 2021 |
| Combo lists | 4 accounts · most recent Jun 30, 2026 |
None of this is necessarily connected to the ransomware attack above.
Is your organization next?
Four Quarters was breached. Check if your company's credentials have been exposed in this or other data breaches.
Check your exposure →Continuous dark web monitoring alerts you when we find leaked credentials or session tokens for your company.