Uber CEO Testifies Ex-Security Chief Misled Him on 2016 Hack (1)

Uber Technologies Inc. Chief Executive Officer Dara Khosrowshahi testified that he fired the company’s chief security officer soon after taking the helm in 2017 “because I couldn’t trust his judgment anymore.”

Khosrowshahi was called by prosecutors Friday as a witness against Joe Sullivan, who’s charged with concealing a 2016 hack into company servers that compromised the personal data of 50 million customers and 7 million drivers.

The CEO said he learned early in his new job of inconsistencies in what Sullivan reported about the incident and why it hadn’t been disclosed to regulators.

“I thought the decision not to ...