(1) The Computer Misuse Act 1990 is amended as follows.
(2) After section 3 insert -
"3ZA Unauthorised acts causing, or creating risk of, serious damage
(1) A person is guilty of an offence if -
(a) the person does any unauthorised act in relation to a computer;
(b) at the time of doing the act the person knows that it is unauthorised;
(c) the act causes, or creates a significant risk of, serious damage of a material kind; and
(d) the person intends by doing the act to cause serious damage of a material kind or is reckless as to whether such damage is caused.
(2) Damage is of a "material kind" for the purposes of this section if it is -
(a) damage to human welfare in any place;
(b) damage to the environment of any place;
(c) damage to the economy of any country; or
(d) damage to the national security of any country.
(3) For the purposes of subsection (2)(a) an act causes damage to human welfare only if it causes -
(a) loss to human life;
(b) human illness or injury;
(c) disruptio
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