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UnitedHealth confirms Optum hack behind US healthcare billing outage

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Feb. 23, 2024, 9:41 a.m. | Bill Toulas

BleepingComputer www.bleepingcomputer.com

Healthcare giant UnitedHealth Group confirmed that its subsidiary Optum was forced to shut down IT systems and various services after a cyberattack by "nation-state" hackers on the Change Healthcare platform. [...]

billing change cyberattack down giant hack hackers healthcare nation outage platform security services state systems us healthcare

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