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Congress rails against UnitedHealth Group after ransomware attack

ID: 7478d3ab-87d1-5fed-b0ca-a4b121ca4f3e

STIX ID: report--7478d3ab-87d1-5fed-b0ca-a4b121ca4f3e

Feed Name: CyberScoop

Threat Score
85/100

Date Published: 2024-04-16

Date Updated: 2026-04-21

Author: Christian Vasquez

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A Feb. 21 ransomware attack on Change Healthcare — part of UnitedHealth Group — disrupted major U.S. healthcare payment processing, prompted congressional hearings and an HHS investigation, inflicted at least $872M in reported losses (with potential to exceed $1B), and may have exposed up to 4 TB of stolen data allegedly posted for sale on the dark web, highlighting systemic risk from industry consolidation and widespread operational impacts on providers.

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