3. Unauthorised modification of computer material.
A person is guilty of an offence if
- he does any act which causes the unauthorized modification of the contents of any computer; and
- at the time when he does the act he has the requisite intent and the requisite knowledge.
For the purposes of the subsection above, the requisite intent is an intent to cause a modification of the contents of any computer and by so doing:
- to impair the operation of any computer;
- to prevent or hinder access to any program or data held in any computer; or
- to impair the operation of any such program or the reliability of any such data.
The intent need not be directed at
- any particular computer;
- any particular program or data or a program or data of any particular kind; or
- any particular modification or a modification of any particular kind.
For the purpose of subsection 1b above, the requisite knowledge is knowledge that any modification he intends to cause is unauthorized.
It is immaterial for the purposes of this section whether an unauthorized modification or any intended effect of it of a kind mentioned in subsection (2) above is, or is intended to be, permanent or merely temporary.