FISERV, INC.
bd_4914adf81e2f4963 · schema v1 · pii pii-v1
Full breach record for FISERV, INC. →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Everest on its public extortion blog. It has not been validated by the victim or any regulator. Treat attribution and counts as the threat actor's assertion until a regulatory filing or victim disclosure corroborates them.
Source: Ransomware.live
Post text · scraped from the leak site
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.
Source provenance
- Source URL
- https://www.ransomware.live/id/RmlzZXJ2QGV2ZXJlc3Q=
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- May 3, 2026
- Raw hash
- 5d5498df6989562022f5e9f6833a6c9bc4e8a0affa858112b857a0f3df5db704
Reporting entity
- Name
- everest
Victim entity
- Name
- FISERV, INC.norm: fiserv
- Domain
- fiserv.com
- Industry
- Financial Servicesllm
What this source establishes
- Source ceiling
- A leak-site claim can't tell us: discovery date · materiality · notification · affected count · confirmed data types · compliance clock. These stay blank until a regulatory filing or victim disclosure lands.
- Attack vector
- Ransomware· everest
- Threat actor
- EverestExternalFinancial
Compliance
- Compliance flags
- — (clock not assessable for this source)
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.