Estech (ESI)

Estech (ESI)

Data Breach on August 18, 2023
Data Breach Report
Victimesi-estech.com
Threat ActorBlackBasta
Date DiscoveredAug 18, 2023
DescriptionEstech (ESI) delivers high-performance business phone systems and cloud services that are simple, intuitive and uniquely integrated.
Leak SizeUnknown

Credential Exposure for esi-estech.com

We've indexed 77 @esi-estech.com accounts from external breaches, plus 15 credentials for esi-estech.com itself.

Last checked Aug 23, 2026

@esi-estech.com addresses from external breaches
Third-party breaches76 accounts · across 17 breaches · 72 with a plaintext password · most recent Dec 29, 2024
Combo lists24 accounts · most recent Feb 4, 2026
Passwords for esi-estech.com accounts
Combo lists12 logins · most recent Aug 18, 2026
Infostealer logs4 logins · 4 infected devices · most recent May 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.

Is your organization next?

Estech (ESI) 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.