How the ransomware attack at Change Healthcare went down: A timeline
ID: a71e2218-643b-51c9-9690-4a205abb9939
STIX ID: report--a71e2218-643b-51c9-9690-4a205abb9939
Feed Name: TechCrunch Security News
Threat Score
In February 2024 Change Healthcare was hit by a major ransomware attack attributed to ALPHV/BlackCat and an affiliate; the attack caused widespread outages in U.S. healthcare billing systems, led UnitedHealth to pay a reported $22 million ransom, and resulted in theft and eventual exposure of highly sensitive medical records affecting up to 190 million Americans, triggering legal, regulatory, and sector-wide disruption.
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