The official website of national carrier Malaysia Airlines was hacked on Monday by a group calling itself the "Official Cyber Caliphate".

The website, malaysiaairlines.com, at the time of writing, shows a photograph of a lizard in a top hat and tuxedo, surrounded by the messages '404 - Plane Not Found' and 'Hacked by Lizard Squad - Official Cyber Caliphate'.

The hackers also listed three unverified Twitter account addresses and a recorded a rap song.

Representatives from the airline did not respond to calls by Reuters.

MAS was hit by twin air disasters last year: the disappearance of Flight MH370 in March and the shooting down of Flight MH17 a few months later. The government took the airline private late last year. – Reuters