Fiserv
Data Breach on May 04, 2026
| Data Breach Report | |||
|---|---|---|---|
| Victim | fiserv.com | ||
| Claimed By | Everest | ||
| Date Discovered | May 04, 2026 | ||
| Description | Fiserv, Inc. is a financial technology company based in the USA (Wisconsin) that provides payments processing, digital banking, and financial services software solutions for banks, businesses, and merchants. | ||
| Leak Size | Unknown |
Credential Exposure for fiserv.com
We've indexed 20,020 @fiserv.com accounts from external breaches, plus 1,331 credentials for fiserv.com itself.
Last checked Sep 13, 2026
| @fiserv.com addresses from external breaches | |
|---|---|
| Combo lists | 13,962 accounts · most recent Sep 13, 2026 |
| Third-party breaches | 8,071 accounts · across 508 breaches · 7,457 with a plaintext password · most recent Mar 22, 2026 |
| Passwords for fiserv.com accounts | |
|---|---|
| Combo lists | 1,155 logins · most recent Sep 13, 2026 |
| Infostealer logs | 313 logins · 243 infected devices · most recent Sep 12, 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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