Hackers have released personal data of 5.7 million Qantas customers on the dark web, making good on their promise to publish the information stolen from the airline’s system this year.

Qantas is one of 40 companies (including Toyota, Disney, Ikea, Air France and KLM) compromised by hacker collective Scattered Lapsus$ Hunters, which stole almost 1 billion records by targeting customers of cloud technology giant Salesforce in July .

Qantas Airways suffered a data breach in July and the hackers demanded $1 million. Credit: Bloomberg

The hackers did not break into Salesforce’s system. Instead, they called the IT helpdesks of the 40 companies – posing as legitimate employees – and convinced them to get access to the systems. In Qantas’ case, a call centre based in the Philippines was

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