The 21 year old, from the London suburb of Surbiton, was arrested under Section 14 of the Computer Misuse Act 1990. Scotland Yard said the arrest came as a result of a joint investigation with the FBI in the USA, which has been running since 2001. T0rn has been available on the Web since late 2000 and Scotland Yard believes there are eight versions currently in circulation.
Graham Cluley, senior technology consultant for Sophos Anti-Virus, said that even though the police had made an arrest, the hacking tool was still widely distributed. Other hackers could use or modify T0rn to continue compromising Unix systems.