A cyberattack on UnitedHealth Group Inc., which disrupted healthcare services for billions last year, has exposed sensitive data from about 190 million Americans. The company reported no evidence of unauthorized use of the information and stated that its systems handling medical records may still be under review following the breach.
Source: https://www.bloomberg.com/news/articles/2025-01-25/unitedhealth-hack-exposed-data-for-about-190-million-americans