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Estimate for number affected by UnitedHealth breach grows to 190M

The estimate has increased from about 100 million people in October.

By Allison Bell | January 29, 2025 at 10:04 AM
Change Healthcare helps healthcare providers, health insurers, health services providers, benefit plan administrators and employer-sponsored benefit plans exchange and manage data. (Credit: WhataWin/Adobe Stock)

UnitedHealth now says the ransomware attack on its Change Healthcare subsidiary may have affected the data of about 190 million people. The estimate has increased from about 100 million people in October.

TechCrunch broke the news of the increase in the impact estimate last week.

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