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UnitedHealth says data of 100 million stolen in Change Healthcare breach

ID: 0f1c2c71-3ff6-539e-a6fa-4d08c7418498

STIX ID: report--0f1c2c71-3ff6-539e-a6fa-4d08c7418498

Feed Name: Bleeping Computer

Threat Score
90/100

Date Published: 2024-10-25

Date Updated: 2026-04-20

Author: Lawrence Abrams

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UnitedHealth confirmed that a February ransomware attack on its Change Healthcare subsidiary by the BlackCat/ALPHV group resulted in the theft of about 6 TB of data and impacted approximately 100 million individuals, exposing sensitive health, billing and identity information; the incident caused major healthcare disruptions, involved ransom payments (allegedly ~$22M) and affiliate extortion/leaks, and produced substantial financial losses for UnitedHealth.

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