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February 26, 2024
Change Healthcare / Optum Network Connectivity and Additional Recommendations
H-ISAC
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Contributed by: Drex DeFord
Summary
Healthcare company, Change Healthcare experienced cyber issue, isolated systems. Health-ISAC shares threat bulletin, maintaining connections with UnitedHealth Group, Optum, UnitedHealthcare and indicating IOCs. Information suggests incident contained by UHG, advises continuation of severed connections to Change Healthcare. RedSense identifies exploitation by ConnectWise ScreenConnect. IOCs for compromise shared alongside suggested examination procedures. ConnectWise alert highlights bypass vulnerability in ScreenConnect servers, recommends immediate patch action. Mitigation practices suggest software update.
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