Changes to legislation: Computer Misuse Act 1990 is up to date with all changes known to be in force on or before 08 March 2022. There are changes that may be brought into force at a future date. Changes that have been made appear in the content and are referenced with annotations. (See end of Document for details) View outstanding changes Computer Misuse Act 1990 1990 CHAPTER 18 An Act to make provision for securing computer material against unauthorised access or modification; and for connected purposes. [29th June 1990] Be it enacted by the Queen’s most Excellent Majesty, by and with the advice and consent of the Lords Spiritual and Temporal, and Commons, in this present Parliament assembled, and by the authority of the same, as follows:— Computer misuse offences 1 Unauthorised access to computer material. (1) A person is guilty of an offence if— (a) he causes a computer to perform any function with intent to secure access to any program or data held in any computer [F1, or to enable any such access to be secured] ; (b) the access he intends to secure [F2, or to enable to be secured,] is unauthorised; and (c) he knows at the time when he causes the computer to perform the function that that is the case. (2) The intent a person has to have to commit an offence under this section need not be directed at— (a) any particular program or data; (b) a program or data of any particular kind; or (c) a program or data held in any particular computer. [F3(3) A person guilty of an offence under this section shall be liable— (a) on summary conviction in England and Wales, to imprisonment for a term not exceeding 12 months or to a fine not exceeding the statutory maximum or to both;

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