Qantas told the Financial Times it was investigating whether the Scattered Spider cyber criminal group was behind the attack. The strike comes days after the FBI warned there were signs the group had started to target the global airline sector.

The Scattered Spider cybercriminals are now targeting US airlines and transportation after moving its crosshairs from UK retailers, the FBI and security firms are warning. The group previously hit Marks & Spencer, Co-op, and Harrods causing widespread system outages and empty shelves.