Security First Credit Union
Data Breach on August 26, 2025
| Data Breach Report | |||
|---|---|---|---|
| Victim | securityfirstcu.com | ||
| Threat Actor | INC_RANSOM | ||
| Date Discovered | Aug 26, 2025 | ||
| Description | Security First Credit Union is based in the USA, and is the largest homegrown credit union in the Rio Grande Valley. | ||
| Leak Size | Unknown |
Credential Exposure for securityfirstcu.com
We've indexed 19 @securityfirstcu.com accounts from external breaches, plus 11 credentials for securityfirstcu.com itself.
Last checked Aug 16, 2026
| @securityfirstcu.com addresses from external breaches | |
|---|---|
| Third-party breaches | 18 accounts · across 17 breaches · 17 with a plaintext password · most recent Mar 31, 2024 |
| Combo lists | 9 accounts · most recent Nov 25, 2025 |
| Passwords for securityfirstcu.com accounts | |
|---|---|
| Combo lists | 10 logins · most recent Aug 3, 2026 |
| Infostealer logs | 3 logins · 2 infected devices · most recent Apr 27, 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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