United Airlines has apologised for a data leak involving some high-level revenue information for around a dozen of its global corporate accounts on Twitter last week.

The airline says the information was provided to United employees as part of a pilot programme in the San Francisco area “to highlight the importance of our corporate relationships”, but the data ended up being shared on Twitter and picked up by media outlets.

United has apologised for the incident, saying the information “was not intended to be shared publicly”.

The project has since been discontinued, according to the airline.

United says the accounts mentioned by name in the information have been contacted directly and the material has since been taken down. It says it will “review and further restrict sharing of internal account information to a strictly need-to-know audience”.

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