Uber uses ‘secret program’ Greyball to hide from regulators

Uber uses ‘secret program’ Greyball to hide from regulators

Drivers protest for the legalisation of Uber in TaiwanImage copyright
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Uber said its Greyball software was used to “deny ride requests to fraudulent users”

Uber has been using a secret program to prevent undercover regulators from shutting down the taxi-hailing service in cities around the world.

The software, called Greyball, was developed to help protect the company from “violations of terms of service”.

But data collected through Uber’s phone app has been used to identify officials monitoring its drivers.

Uber has acknowledged that Greyball has been used in multiple countries, the New York Times reports.

The tool has enabled the company to monitor users’ habits and pinpoint regulators posing as ordinary passengers, while trying to collect evidence if they believe the service to be breaking local laws governing taxis.

The software works by collecting geolocation data and credit card information to determine whether the user is linked to an institution or law enforcement authority.

A “fake” version of the app would then allow those individuals suspected of attempting to entrap drivers to hail a cab, only to have their booking cancelled.


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The existence of the Greyball program was revealed in an article published in the New York Times on Friday, which attributed the information to four current and former Uber employees, who were not named.

“This program denies ride requests to fraudulent users who are violating our terms of service,” Uber said in a statement.

“Whether that’s people aiming to physically harm drivers, competitors looking to disrupt our operations, or opponents who collude with officials on secret ‘stings’ meant to entrap drivers,” it added.

It comes in the same week that the chief executive of Uber, Travis Kalanick, was forced to apologise after a video emerged of him swearing at one of the company’s drivers. Just two weeks earlier he apologised for “abhorrent” sexism at the company.

Uber uses ‘secret program’ Greyball to hide from regulators

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