Qantas Data Breach Exposes Personal Details of 5.7 Million Customers

Phone numbers, addresses, and dates of birth among leaked information in one of Australia’s largest cyber incidents.

A Qantas and a Virgin aeroplane at Sydney International Airport in Sydney, Australia, on April 3, 2025. David Gray/AFP via Getty Images

Qantas Airways has confirmed that personal information belonging to 5.7 million unique customers was compromised in a major cyberattack, making it one of the most significant data breaches in Australia in recent years.

The breach originated from a cyber incident at one of Qantas’s call centres last week.