Uber Technologies Inc failed to disclose a massive breach last year that exposed the data of some 57 million users of the ride-sharing service, the company's new chief executive officer said on Tuesday. Discovery of the company's handling of the incident led to the departure of two employees who led Uber's response to the incident, said Dara Khosrowshahi, who was named CEO in August following the departure of founder Travis Kalanick. Khosrowshahi said he had only recently learnt of the matter himself. The company's admission that it failed to disclose the ...