UnitedHealth Group’s Optum Subsidiary disrupted by Cyberattack | ARIA Cybersecurity | #hacking | #cybersecurity | #infosec | #comptia | #pentest | #ransomware

A major cyberattack has just hit the systems of a subsidiary of US health insurance giant, UnitedHealth. In an SEC filing, UnitedHealth said that it suspected a “nation-state associated cyber security threat actor” of gaining access to Change Healthcare, part of its Optum subsidiary and one of the largest prescription processors in the US, forcing it offline.

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