Massive Data Breach: 190 Million Americans Affected by Change Healthcare Ransomware Attack
UnitedHealth Group confirmed that a ransomware attack on its subsidiary, Change Healthcare, in February 2024 affected approximately 190 million Americans – nearly double previous estimates. The attack resulted in the theft of massive amounts of sensitive health and insurance data, including names, addresses, birthdates, Social Security numbers, and medical records. Some data was even published online by the hackers. Change Healthcare paid ransoms to prevent further data release. This is the largest healthcare data breach in US history, highlighting critical vulnerabilities in the healthcare system's cybersecurity.
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