Airline Qantas says millions of customers’ data leaked online

AUSTRALIAN airline Qantas said Sunday that data from 5.7 million customers stolen in a major cyberattack this year had been shared online, part of a leak affecting dozens of firms.

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Disney, Google, IKEA, Toyota, McDonald's and fellow airlines Air France and KLM are also reported to have had data stolen in a cyberattack targeting software firm Salesforce, with the information now being held to ransom.

Salesforce said this month it was "aware of recent extortion attempts by threat actors".

Qantas confirmed in July that hackers had targeted one of its customer contact centres, breaching a computer system used by a third party now known to have been Salesforce.

They secured access to sensitive information such as customer names, email addresses, phone numbers and birthdays, the blue-chip Australian company said.

No further breaches have taken place since and the company is cooperating with Australian security services.