Congress aggressively questioned UnitedHealth Group’s response to the hack of its Change Healthcare unit in hearings Wednesday, criticizing the company’s cybersecurity preparations and asking ...

Congressional leaders unloaded ... attended the Senate hearing and swarmed Witty once it ended. “Andrew Witty, you can’t hide. We can see your greedy side,” the protesters chanted.

UnitedHealth is the parent company of Optum Rx, one of the biggest PBMs. A PBM helps employer-sponsored health plans and ...