Hackers leaked the personal records of five million Qantas customers on the dark web on Saturday afternoon, according to a cybersecurity expert, after a ransom deadline set by the cybercriminals passed.

The company is one of more than 40 firms globally caught up in the hack, reported to contain up to 1bn customer records.

The hacker collective Scattered Lapsus$ Hunters released an extortion note on a data leaks site on the dark web last week, demanding payment in return for preventing the stolen data from being shared. Qantas among nearly 40 companies facing ransom demand from hacker group Read more

The Qantas data, which was stolen from a Salesforce database in a major cyber-attack in June , included customers’ email addresses, phone numbers, birth dates and frequent flyer numb

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