Verkkoafter change healthcare, a technology company owned by unitedhealth group, reported a giant ransomware attack, you may have received a. Verkkoby ashley capoot, cnbc. Unitedhealth group on monday said it paid ransom to cyberthreat actors to try to protect patient data, following the. Verkkothe change healthcare cyberattack that disrupted health care systems nationwide earlier this year started when hackers entered a server that. Medical data in history. Verkkochange healthcare, a subsidiary of health care giant unitedhealth group, provides technology used to submit and process billions of insurance claims.