A new legal shield aims to protect people battling the hackers behind a massive data breach at Qantas until the money-hungry criminals move onto their next target.

Personal details of 5.7 million customers were compromised in July after a hack of one of the airline's offshore call centres.

Qantas said at the time that no credit card details, personal financial information or passport details had been accessed.

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The national carrier obtained final orders from the NSW Supreme Court on Thursday attempting to limit the spread of the leaked information on the internet and dark web.

[Qantas checkin (file)] Qantas has said it wanted to do everything it could to protect customers' personal information. (Bianca De Marchi/AAP PHOTOS)

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