It is only the latest in long list of hacking incidents that have roiled the health care sector in the last few years. Mara FurlichPrescription insurance processing at big university health systems in Indiana and California have also been disrupted, according to internal email correspondence at the health systems reviewed by CNN. In a regulatory filing Thursday, Change Healthcare’s parent firm said “suspected nation-state associated” hackers had breached some of their computer systems. The Change Healthcare spokesperson declined to comment when asked on what information the company based its assessment that foreign government-linked hackers could be responsible. The FBI and CISA did not respond for requests for comment on whether they agreed with Change Healthcare’s assessment on who was responsible for the hack.

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Persons: Mara Furlich, Furlich, ” Furlich, Camp Pendleton, Luke Bonczyk, Abi, ”, “, CISA, Max Henderson Organizations: CNN, FDA, Healthcare, Naval Hospital, American Hospital Association, FBI, Infrastructure Security Agency, Department of Health, Human Services, HHS, Optum, “ Locations: United States, Detroit, Camp Pendleton, Southern California, Indiana, California