Highmark
Data Breach on November 21, 2025
| Data Breach Report | |||
|---|---|---|---|
| Victim | highmarkcos.com | ||
| Threat Actor | Play | ||
| Date Discovered | Nov 21, 2025 | ||
| Description | Highmark Companies is a construction and property services company with six specialized divisions based in the USA, offering services like custom home building, exteriors, restoration, interior design, and mitigation. | ||
| Leak Size | Unknown |
Credential Exposure for highmarkcos.com
We've indexed 11 @highmarkcos.com accounts from external breaches.
Last checked Aug 16, 2026
| @highmarkcos.com addresses from external breaches | |
|---|---|
| Third-party breaches | 9 accounts · across 12 breaches · 8 with a plaintext password · most recent Jul 24, 2024 |
| Combo lists | 5 accounts · most recent Jul 30, 2026 |
None of this is necessarily connected to the ransomware attack above.
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