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(Reuters) -The cyberattack at UnitedHealth Group (NYSE:UNH)’s tech unit final yr affected the non-public info of 190 million folks, the well being conglomerate mentioned on Friday, making it the most important healthcare knowledge breach in the USA.
The hack at Change Healthcare (NASDAQ:CHNG) affected the non-public info of 100 million folks, the U.S. well being division had posted on its web site in October.
The ultimate quantity will likely be confirmed and filed with the U.S. Division of Well being and Human Providers’ workplace for civil rights at a later date, the corporate mentioned in an emailed assertion.
The cyberattack disclosed in February at Change Healthcare was perpetrated by hackers who recognized themselves because the “Blackcat” ransomware group, inflicting widespread disruptions in claims processing and impacting sufferers and suppliers throughout the nation.
“Change Healthcare shouldn’t be conscious of any misuse of people’ info on account of this incident and has not seen digital medical report databases seem within the knowledge in the course of the evaluation,” the corporate mentioned, including that it has supplied particular person or substitute discover to the “overwhelming majority” of these impacted.
The corporate issued a public discover concerning the ransomware hack in June final yr as a part of its necessities below the Well being Insurance coverage Portability and Accountability Act (HIPAA). HIPAA regulation requires firms to inform sufferers of knowledge exposures.
Info made weak within the UnitedHealth assault is believed to incorporate medical insurance member IDs, affected person diagnoses, therapy info and social safety numbers, in addition to billing codes utilized by suppliers.
