UnitedHealth Group on Monday said it paid a ransom to cyber threat actors to try and protect patient data, following the February cyberattack on its subsidiary Change Healthcare. The company also confirmed that files containing personal information were compromised in the breach. "This attack was conducted by malicious threat actors, and we continue to work with the law enforcement and multiple leading cyber security firms during our investigation," UnitedHealth told CNBC in a statement. "A ransom was paid ...