Illinois Sues Uber, Senators Ask for Answers

Uber Technologies Inc. is facing mounting pressure from regulators and lawmakers over the year-old data breach it disclosed last week that affected some 57 million riders and drivers.

On Monday, Illinois and the city of Chicago filed a joint suit against the ride-hailing firm alleging consumer fraud and deceptive business practices, as well as violations of city code over its failure to disclose the breach, which exposed the personal information of drivers and riders. It is the first such suit by a government agency against...