6/6 Ben Hammersley examines the ramifications of Edward Snowden's NSA files.
5/6 Ben Hammersley finds out what impact a computer worm has had on the future of warfare.
4/6 Ben Hammersley visits Stockholm to tell the story of the internet trial of the century.
3/6 Ben Hammersley is in Lagos to meet online scammers and the police who track them down.
2/6 Ben Hammersley is in New York and Washington to look at how credit card hacking evolved.
1/6 Ben Hammersley looks at the world of alter egos, darknets and cryptocurrencies.