Topic: Black Cat Ransomware

Change Healthcare, a subsidiary of UnitedHealth Group, was targeted by the Black Cat ransomware gang, resulting in a $22 million payment and massive disruptions to the U.S. healthcare billing system. The Department of Health and Human Services (HHS) has launched an investigation into the breach, which affected roughly one-third of all U.S. patient records.

A major cyber attack on Change Healthcare, a subsidiary of UnitedHealthcare, has disrupted prescription drug fulfillment across the US. The ransomware gang Black Cat is suspected of the attack, which has forced many pharmacies to switch to manual paper processing and the "honor system" for billing.