UnitedHealth identifies Blackcat as responsible for healthcare cyber attack

Summary: UnitedHealth has identified Blackcat as the group behind a cyber attack that disrupted healthcare providers nationwide. The attack led to a week-long outage of the United-owned Change Healthcare system, affecting electronic pharmacy refills and insurance claims. Blackcat has claimed credit for multiple hacks and is now targeting the healthcare system. The US government has offered a $15 million reward for information on the group. The breach could last for weeks, impacting millions of patient records.

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