Qantas has sent emails to customers affected or potentially affected by a cyber attack, but none of its executives have yet fronted the media.

Qantas working with cyber security experts, analyse the impacted system, and put new security measures following this week's data breach.

The hack of the Australian carrier follows recent incidents at Hawaiian Airlines and Canada’s WestJet. Here’s what you need to know. Qantas said on Wednesday it is contacting customers after a cyberattack targeted a third-party customer service platform that stored the personal data of 6 million customers.