New York/IBNS: Ride-hailing company Uber's computer network has been hacked Thursday, which resulted in shifting various of the firm's internal communications and engineering systems offline.
Uber said it has begun investigating and made contact with law enforcement officials.
There has been no indication that Uber's fleet of vehicles, its customers or payment data have been affected by the hack.
The New York Times first reported the breach after the hacker sent images of email, cloud storage and code repositories to the newspaper.
The staff at Uber was told not to use the workplace messaging app Slack, the report said, quoting two employees.
Shortly before the Slack system was taken offline, Uber employees received a message that read: "I announce I am a hacker and Uber has suffered a data breach."
It appeared that the hacker was later able to gain access to other internal systems, posting an explicit photo on an internal information page for employees, the BBC reported.
Uber said it was in touch with authorities about the breach.
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