Dixon said Qantas has a comprehensive security policy in place, including stringent data security controls which extend to all suppliers including Satyam and Tata.

"Qantas, like almost every airline in the world, already has outsource arrangements for data," Dixon said.

"We have had a customer data offshore facility in Germany for four years with no breaches of privacy.

"Similarly we outsourced our data center operations to IBM two years ago with no issues."