February 26, 2024

Change Healthcare / Optum Network Connectivity and Additional Recommendations

H-ISAC

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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