The US Federal Bureau of Investigation (FBI) has seized and destroyed a publicly-accessible website run by hackers threatening to release Qantas customers' personal data within the next 24 hours, according to a group claiming to be the hackers' "administration team".

A cybercrime collective, Scattered Lapsus$ Hunters, has reportedly threatened to release stolen data from around 40 global firms linked to the cloud software giant Salesforce — including Disney, Google, IKEA, Toyota and airlines Qantas, Air France and KLM — unless a ransom was paid.

In July, Qantas put the number of customers impacted by the cyber attack at 5.7 million but chief executive Vanessa Hudson would not confirm whether the company had been asked to pay a ransom.

The collective's deadline for the ransom payment is

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