The Computer Misuse Act 1990 is a piece of law that deals specifically with the crime of accessing or modifying data stored on a computer system without being authorized to do so.

Offense Levels

There are three levels of offenses under the Act:

  • Unauthorized access to computer material. Holds a penalty of up to 6 months in prison and a £5,000 fine.
  • Unauthorized access with intent to commit or faciliate commission of further offences. Up to 5 years in prison and receive a fine of unlimited amounts, depending on the severity of the crime.
  • Unauthorized modification of computer material. Up to 5 years in prison and can receive a fine of unlimited amounts, depending on severity of the crime.

Background Reading: The Computer Misuse Act 1990