Mr Kamphuis took exception to Spamhaus's action saying in messages sent to the press that it had no right to decide "what goes and does not go on the internet".

BBC: Dutchman arrested over huge web attack

In a statement in March, Cyberbunker "spokesman" Sven Kamphuis took exception to Spamhaus's action, saying in messages sent to the press that it had no right to decide "what goes and does not go on the internet".

BBC: Spamhaus hacking suspect 'had mobile attack van'