Qantas has filed court action in a bid to stop the compromised data of millions of customers being accessed or released following a recent cyber attack.

The accounts of 5.7 million Qantas customers were compromised in a data breach at the end of June, with millions of phone numbers, addresses and dates of birth caught up in the leak.

Australian correspondent Oliver Peterson says the airline is trying to negotiate with the hackers before the information gets shared on the dark web.

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