The script of the next James Bond movie Spectre, featuring Daniel Craig and Monica Bellucci, has been leaked following the hacking attack on Sony Pictures.

The makers of the film, Eon Productions, confirmed the screenplay has been stolen and expressed concern that it could be published online.

A statement said: "Eon Productions, the producers of the James Bond films, learned this morning that an early version of the screenplay for the new Bond film SPECTRE is amongst the material stolen and illegally made public by hackers who infiltrated the Sony Pictures Entertainment computer system.

"Eon Productions is concerned that third parties who have received the stolen screenplay may seek to publish it or its contents."

The crew began filming a month ago and the cast Daniel Craig, Christopher Waltz, Lea Seydoux and Monica Belluci was revealed in London recently. The 24th movie in the franchise about the iconic British secret agent is slated for release in November 2015.

The budget of the movie is about $300m (£180m), according to the leaked information.

Some vital plots of the movie have already surfaced online, putting the producers in a tight spot reportedly making them wonder if they should begin with a new script.

The entertainment blog Defamer, owned by Gawker Media, has claimed it has seen a copy of the script, and has published a detailed takedown of its problems and concerns expressed by producers.

The massive cyberattack on Sony Pictures, which took place at the end of November, has revealed many embarrassing documents. The leak is said to have emerged from

The leak is said to have emerged from North Korea, though the reclusive Pyongyang regime has denied it has anything to do with it.