SUMAC

SUMAC

Data Breach on April 28, 2026
Data Breach Report
Victimsumacinc.com
Claimed ByINC_RANSOM
Date DiscoveredApr 28, 2026
DescriptionSUMAC 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 SizeUnknown

Credential Exposure for sumacinc.com

We've indexed 60 @sumacinc.com accounts from external breaches.

Last checked Sep 6, 2026

@sumacinc.com addresses from external breaches
Combo lists53 accounts · most recent Aug 30, 2026
Third-party breaches23 accounts · across 29 breaches · 23 with a plaintext password · most recent Apr 30, 2021

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.