Bleeping Computer, Healthcare, News, SecurityUnitedHealth confirms Optum hack behind US healthcare billing outage Posted on February 23, 2024 by [email protected] US healthcare giant UnitedHealth Group announced that its subsidiary Optum suffered a cyberattack by “nation-state” hackers on the Change Healthcare platform, forcing the company to shut down IT systems and various services. […] [email protected] Best AI Video Generator: 5 Tools To Unleash Your Creativity 10 Best Tumblr Downloader Tools [Tested]