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    healthcare ransomware ALPHV Russia

    Historic Healthcare Breach: UnitedHealth Cyberattack Exposes 190 Million Americans' Medical Records

    January 24, 2025 • 1 min read

    UnitedHealth Group reveals that a devastating ransomware attack on Change Healthcare compromised sensitive medical and personal data of approximately 190 million Americans. The breach, attributed to the Russian-linked ALPHV group, marks the largest medical data breach in U.S. history.

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