Fiserv Claimed by Everest Ransomware Group
Fiserv, a global financial technology company, was claimed by the Everest ransomware group on May 3, 2026. This indicates a potential data breach or exfiltration event.
Signal context
First seen: May 3, 2026
Last updated: Jul 3, 2026
Status: Public signal
Key points
- Everest ransomware group claimed Fiserv.
- Discovered on May 3, 2026.
Signal analysis
BetaThis analysis groups the signal by industry, likely incident action and impacted security area. It helps compare this signal with other published signals without treating the labels as final determinations.
Sector: Finance and Insurance
Likely country: Location not provided
Watch ransomware, endpoint compromise and business interruption exposure.
- Source type: outside the affected organization
Impact area: Confidentiality, Availability
Likely asset: User or customer data
- 24 signals in the same sector
- 100 signals with the same likely impact area
- 1 signal linked to this organization/domain
External sources
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