UK Bans Denial of Service Attacks

There had been concern that Britain's Computer Misuse Act, written in the days before the World Wide Web, allowed denial of service attacks to fall through a loophole. These are attacks in which a web or email server is deliberately flooded with information to the point of collapse.

The 1990 legislation described an offence of doing anything with criminal intent "which causes an unauthorised modification of the contents of any computer"; the question was whether that covered denial of service attacks. When a court cleared teenager David Lennon in November 2005 on charges of sending five million emails to his former employer