UnitedHealthβs CEO Slammed Over Cyberattack NYT: Science Reed Abelson and Noah Weiland 1 May 2024 at 15:54 Several lawmakers questioned whether the company had become so large β with tentacles in every aspect of the nationβs medical care β that the effects of the hack were outsize. Β© Ting Shen for The New York TimesAndrew Witty, the chief executive of UnitedHealth Group, acknowledged before the Senate Finance Committee that hackers had found a weakness in its cybersecurity that forced the shutdown of a vast billing and payments system.