eFunda, Inc.
Data Breach on July 31, 2025
| Data Breach Report | |||
|---|---|---|---|
| Victim | efunda.com | ||
| Threat Actor | BQTlock | ||
| Date Discovered | Jul 31, 2025 | ||
| Description | eFunda, Inc. offers an extensive online engineering reference platform (“Engineering Fundamentals”) with tools covering materials, processes, formulas, units, design‑center, and more. | ||
| Leak Size | 670GB |
Credential Exposure for efunda.com
We've indexed 6 @efunda.com accounts from external breaches, plus 775 credentials for efunda.com itself.
Last checked Aug 16, 2026
| @efunda.com addresses from external breaches | |
|---|---|
| Third-party breaches | 6 accounts · across 22 breaches · 5 with a plaintext password · most recent Feb 8, 2021 |
| Combo lists | 5 accounts · most recent Nov 25, 2025 |
| Passwords for efunda.com accounts | |
|---|---|
| Combo lists | 725 logins · most recent Aug 15, 2026 |
| Infostealer logs | 218 logins · 108 infected devices · most recent Aug 8, 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?
eFunda, Inc. 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.