UnitedHealth Group (UHG) reported Thursday (March 14) that some critical services are back online at its subsidiary Change Healthcare, which has been dealing with a cyberattack on its claims and payment infrastructure. In a Thursday update on a UHG page devoted to the Change Healthcare cyber response, Wendi Whitmore, senior vice president, Unit 42 at Palo Alto Networks, a cybersecurity firm, said that firm has experts on the ground, working with UHG and its partners to restore operations.“To date, we have r ...