'Why I hacked the government'
21 April 2017 Last updated at 09:23 BST
A new report by the National Crime Agency says most teenage hackers who get involved in cyber-crime don't do it to make money, but to impress their peers.
Spokesman for hacking group LulzSec Jake Davis pleaded guilty to computer crimes and in 2013 served time in a young offenders’ institute. He tells the Today programme that he was motivated by the idea of the internet as a "Utopian space".