1st Source Bank
Data Breach on June 15, 2023
| Data Breach Report | ||
|---|---|---|
| Victim | 1stsource.com | |
| Threat Actor | CL0P | |
| Date Discovered | Jun 15, 2023 | |
| Description | 1st Source Bank, headquartered in South Bend, Indiana, is a financial institution that offers clients personal, business, and investment banking services. | |
| Leak Size | Unknown |
Credential Exposure for 1stsource.com
We've indexed 425 @1stsource.com accounts from external breaches, plus 296 credentials for 1stsource.com itself.
Last checked Aug 16, 2026
| @1stsource.com addresses from external breaches | |
|---|---|
| Third-party breaches | 421 accounts · across 78 breaches · 355 with a plaintext password · most recent Dec 18, 2025 |
| Combo lists | 83 accounts · most recent Jul 30, 2026 |
| Passwords for 1stsource.com accounts | |
|---|---|
| Combo lists | 286 logins · most recent Aug 7, 2026 |
| Infostealer logs | 64 logins · 48 infected devices · most recent Aug 3, 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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