Mack Energy
Data Breach on July 10, 2025
| Data Breach Report | |||
|---|---|---|---|
| Victim | mec.com | ||
| Claimed By | Cicada3301 | ||
| Date Discovered | Jul 10, 2025 | ||
| Description | Mack Energy Corp is a U.S.-based oil and gas exploration company headquartered in Artesia, New Mexico. | ||
| Leak Size | 3.1TB |
Credential Exposure for mec.com
We've indexed 421 @mec.com accounts from external breaches, plus 36 credentials for mec.com itself.
Last checked Oct 11, 2026
| @mec.com addresses from external breaches | |
|---|---|
| Third-party breaches | 341 accounts · across 134 breaches · 232 with a plaintext password · most recent Dec 18, 2025 |
| Combo lists | 183 accounts · most recent Oct 10, 2026 |
| Passwords for mec.com accounts | |
|---|---|
| Combo lists | 36 logins · most recent Sep 30, 2026 |
| Infostealer logs | 1 logins · 1 infected devices · most recent Jul 6, 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?
Mack Energy 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.