Webber's descent into a life of crime has puzzled his family.
The details were then sold and modified on Ghost Market.
But what astonished police was the discovery that the mastermind behind Ghost Market was not some hardened criminal – but a shy public schoolboy, who at the time of his arrest had only just turned 18.
But while staying in the Athenaeum Hotel on Piccadilly apparently in its £1,600 a night penthouse suite – with views of Green Park and the London Eye beyond – the receptionist there became suspicious that an 18-year-old Webber was the genuine owner of the credit card he was using.
Police were called and duly arrested Webber on suspicion of credit card fraud.
Released on bail, he fled to Majorca where he continued for the next few months to live in five star hotels, still running Ghost Market using a laptop and mobile phone while all the time taunting the police.
"To be a Legend Carder u gotta be a ghost" he wrote on one website, adding the sign off: "F*** the Police!
Today The Sunday Telegraph can reveal how Webber, with a brilliant talent for computers, transformed himself from failing A level student to master criminal – and how his developing taste for the high life finally led to his downfall.
It was on Oct 29 last year that the law finally caught up with Webber.
Detectives found on his laptop the details of 100,000 credit cards, representing a potential loss to credit card companies of as much as £12 million.