
SEMS
Data Breach on February 16, 2023
| Data Breach Report | ||
|---|---|---|
| Victim | semsinc.net | |
| Threat Actor | LockBut | |
| Date Discovered | Feb 16, 2023 | |
| Description | SEMS, Inc. operates as an environmental management offers environmental engineering, environmental remediation and construction, industrial cleaning, fuel storage tanks and oil/water separator system, and UST/AST/OWS consulting. | |
| Leak Size | Unknown |
Credential Exposure for semsinc.net
We've indexed 25 @semsinc.net accounts from external breaches, plus 1 credentials for semsinc.net itself.
Last checked Aug 23, 2026
| @semsinc.net addresses from external breaches | |
|---|---|
| Third-party breaches | 25 accounts · across 42 breaches · 21 with a plaintext password · most recent Aug 18, 2024 |
| Combo lists | 12 accounts · most recent Aug 6, 2026 |
| Passwords for semsinc.net accounts | |
|---|---|
| Combo lists | 1 logins · most recent Jun 22, 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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