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Fiserv

everest

This record tracks a ransomware attack claimed by the everest group against Fiserv. It collects the publicly disclosed attack details — sector, location and timeline — as published on the operator's leak site and indexed by Breach House.

Country
United States
Business Category
Finance / Legal / Insurance
Employees
+1000
Discovered
2026-05-03
Published
May 03, 2026
Victim ID
1LnVp0SZdF6a

Attack Summary

[AI generated] Fiserv is a global financial technology company headquartered in Milwaukee, Wisconsin, United States. It provides financial services technology solutions including payment processing, core banking systems, digital banking platforms, and merchant acquiring services. Serving banks, credit unions, retailers, and businesses worldwide, Fiserv operates across the fintech and banking technology industry and is one of the largest providers of financial services infrastructure globally.

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