C&I Engineering
Data Breach on September 05, 2025
| Data Breach Report | |||
|---|---|---|---|
| Victim | cieng.com | ||
| Claimed By | Cicada3301 | ||
| Date Discovered | Sep 05, 2025 | ||
| Description | C&I Engineering is an employee-owned engineering firm based in the USA, providing detailed process and utility engineering services for refineries, chemical plants, distilleries, and utility facilities. | ||
| Leak Size | 700GB |
Credential Exposure for cieng.com
We've indexed 121 @cieng.com accounts from external breaches, plus 4 credentials for cieng.com itself.
Last checked Aug 31, 2026
| @cieng.com addresses from external breaches | |
|---|---|
| Third-party breaches | 115 accounts · across 54 breaches · 109 with a plaintext password · most recent Aug 18, 2024 |
| Combo lists | 54 accounts · most recent Aug 23, 2026 |
| Passwords for cieng.com accounts | |
|---|---|
| Combo lists | 4 logins · most recent Aug 17, 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.
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