MC Squared
Data Breach on December 29, 2025
| Data Breach Report | |||
|---|---|---|---|
| Victim | mc2engineers.com | ||
| Threat Actor | LockBit | ||
| Date Discovered | Dec 29, 2025 | ||
| Description | MC Squared, LLC is a consulting engineering firm based in the Georgia, providing geotechnical and geo‑environmental engineering, construction materials testing and inspection, pavement and environmental consulting services for infrastructure projects across transportation, water-wastewater, aviation, tunnels, and vertical structures markets. | ||
| Leak Size | Unknown |
Credential Exposure for mc2engineers.com
We've indexed 24 @mc2engineers.com accounts from external breaches, plus 4 credentials for mc2engineers.com itself.
Last checked Aug 16, 2026
| @mc2engineers.com addresses from external breaches | |
|---|---|
| Third-party breaches | 14 accounts · across 21 breaches · 13 with a plaintext password · most recent Aug 18, 2024 |
| Combo lists | 12 accounts · most recent Aug 7, 2026 |
| Passwords for mc2engineers.com accounts | |
|---|---|
| Combo lists | 4 logins · most recent Aug 7, 2026 |
Logins may belong to customers or to staff, and the data doesn't say which. None of this is necessarily connected to the ransomware attack above.
Is your organization next?
MC Squared 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.