SUMAC
Data Breach on April 28, 2026
| Data Breach Report | |||
|---|---|---|---|
| Victim | sumacinc.com | ||
| Claimed By | INC_RANSOM | ||
| Date Discovered | Apr 28, 2026 | ||
| Description | SUMAC is a consulting and engineering company based in the USA (California) that specializes in sustainability consulting, architecture, engineering, and construction project management to support ESG initiatives. | ||
| Leak Size | Unknown |
Credential Exposure for sumacinc.com
We've indexed 62 @sumacinc.com accounts from external breaches, plus 1 credentials for sumacinc.com itself.
Last checked Oct 18, 2026
| @sumacinc.com addresses from external breaches | |
|---|---|
| Combo lists | 55 accounts · most recent Oct 17, 2026 |
| Third-party breaches | 23 accounts · across 29 breaches · 23 with a plaintext password · most recent Apr 30, 2021 |
| Passwords for sumacinc.com accounts | |
|---|---|
| Combo lists | 1 logins · most recent Sep 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?
SUMAC 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.