100 million individual personal health information compromised in February's Change Healthcare ransomware attack, largest in US healthcare history.

A February ransomware attack on Change Healthcare, a subsidiary of UnitedHealth Group, has compromised the personal health information of over 100 million individuals, marking it as the largest healthcare data breach in U.S. history. The cyberattack, attributed to the ALPHV/BlackCat group, disrupted operations across the healthcare sector and prompted significant financial impacts. UnitedHealth has begun notifying those affected while incurring costs exceeding $2.5 billion in response.

October 24, 2024
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