Ransomware attack on UnitedHealth disrupts insurance claims, strains providers

Health care providers in the United States are facing financial difficulties due to a ransomware attack on UnitedHealth Group Inc.'s Change Healthcare unit, a key player in insurance claims processing, Reuters reports. The attack has disrupted electronic pharmacy refills and insurance transactions, particularly among independent providers. While larger hospitals are absorbing upfront costs, smaller providers are struggling with cash flow. 

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