The cyberattack targeting the personal data of customers with Qantas is the latest in a string of breaches affecting millions of Australians, as hackers target major companies and exploit weak spots in the systems they rely on.

The hack of the Australian carrier follows recent incidents at Hawaiian Airlines and Canada’s WestJet. Here's what you need to know.

The Qantas airline company announced Wednesday that data belonging to six million of its customers has been hacked.