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Insurance company UnitedHealth Group is confirming a ransomware attack earlier this year affected the private data of over 100 million people. The number was published in the US Department of Health and Human Services Office of Civil Rights (OCR) Breach Report on Thursday, making it the largest healthcare data breach on the list.
Hacker group Blackcat, also known as ALPHV, claimed responsibility for the February attack on Change Healthcare that caused widespread disruptions for healthcare providers processing bills, claims, payroll, and prescriptions for weeks.
According to the HHS FAQs page, Change Healthcare told OCR on October 22nd that it’s sent people about 100 million individual notices regarding this breach.
Stolen information…
