UnitedHealth CEO estimates one-third of Americans could be impacted by Change Healthcare cyberattack

UnitedHealth Group CEO Andrew Witty on Wednesday told lawmakers that data from an estimated one-third of Americans could have been compromised in the cyberattack on its subsidiary Change Healthcare, and that the company paid a $22 million ransom to hackers. Witty testified in front of the Subcommittee on Oversight and Investigations, which falls under the House of Representatives' Committee on Energy and Commerce. He said the investigation into the breach is still ongoing, so the exact number of people affe ...