Computer Misuse Act

In a nutshell

Don't access files without permission

Only use data which you are permitted to use

Ensure that any items which they introduce to the network are virus checked

More information on Computer Misuse Act from Wikipedia:


1(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 a computer;
b) the access he intends to secure is unauthorized; and
c) he knows at the time when he causes the computer to perform the function that this is the case. 1(2) the intent a person has 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. 1(3) a person guilty of an offence under this section shall be liable on summary conviction to imprisonment for a term not exceeding six months or to a fine not exceeding level 5, on the standard scale or both.
2(1) a person is guilty of an offence under this section if he commits an offence under section 1 above ("the unauthorized access offence") With intent
a) to commit an offence to which this section applies; or
b) to facilitate the commission of such an offence (whether by himself or by any other person) and the offence he intends to commit or facilitate is referred to below in this section as the further offence. 2(2) this section applies to offences
a) for which the sentence is fixed by law; or
b) for which a person of twenty one years of age or over (not previously convicted) may be sentenced to imprisonment for a term of five years (or in England and Wales might be so sentenced but for the restrictions imposed by section 33 of the Magistrates Courts Act 1980). 2(5) a person guilty of an offence under this section shall be liable
a) on summary conviction, to imprisonment for a term not exceeding six months or to a fine not exceeding the statutory maximum or both; and
b) on conviction on indictment, to imprisonment for a term not exceeding five years, or to a fine, or both.
3(1) A person is guilty of an offence if
a) he does any act in a way which causes the unauthorized modification of the contents of any computer; and
b) at the time when he does so the act he has the requisite intent and the requisite knowledge. 3(2) for the purposes of subsection 3(1)b above the requisite intent is an intent to cause a modification of the contents of any computer and by so doing
a) to impair the operation of any computer;
b) to prevent or hinder access to any program or data held in any computer; or
c) to impair the operation of any such program or the reliability of any such data. 3(3) the intent need not be directed at
a) any particular computer;
b) any particular program or data or a program or data of any particular kind; or
c) any particular modification or a modification of any particular kind.