UnitedHealth Group said Monday that it's paid out more than $2 billion to help health-care providers who have been affected by the cyberattack on subsidiary Change Healthcare. "We continue to make significant progress in restoring the services impacted by this cyberattack," UnitedHealth CEO Andrew Witty said in a press release. "We know this has been an enormous challenge for health care providers and we encourage any in need to contact us." UnitedHealth disclosed nearly a month ago that a cyber threat acto ...