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.
Top Breaches Of 2023
Customers Affected In T-Mobile Breach
Accounts Affected In MOVEit Breach
Customers Affected In MCNA Insurance Data Breach
Individuals Affected In PharMerica Data Breach
Users Affected In ChatGPT Major Data Breach