(6) A person shall not be liable under this section where – (a) he is acting pursuant to measures that can be taken under Part V of this Act; or (b) he is acting in reliance of any other statutory power. (5) Where an offence under this section is committed in relation to data that is in a critical database or that is concerned with national security or the provision of an essential service, the person shall be liable, upon conviction, to imprisonment for a term not exceeding [period]. (6) For the purposes of this section, it is immaterial whether an illegal interference or any intended effect of it, be permanent or merely temporary. 9. Data Espionage 10. Illegal System Interference (1) A person who, intentionally without lawful excuse or justification or in excess of a lawful excuse or justification obtains, for himself or for another, computer data which are not meant for him and which are specially protected against unauthorized access, commits an offence punishable, on conviction, by imprisonment for a period not exceeding [period], or a fine not exceeding [amount], or both. (1) A person who intentionally, without lawful excuse or justification or in excess of a lawful excuse or justification: (a) hinders or interferes with the functioning of a computer system; or (b) hinders or interferes with a person who is lawfully using or operating a computer system; commits an offence punishable, on conviction, by imprisonment for a period not exceeding three years, and a fine not exceeding level eight, or both. (2) A person who intentionally and without lawful excuse or justification or in excess of a lawful excuse or justification seizes or destroys any computer storage medium commits an offence punishable, on conviction, by imprisonment for a period not exceeding [period], and a fine not exceeding [amount], or both. (3) A person who intentionally, without lawful excuse or justification or in excess of a lawful excuse or justification hinders or interferes with a computer system that is exclusively for the use of critical infrastructure operations, or in the case in which such is not exclusively for the use of critical infrastructure operations, but it is used in critical infrastructure operations and such conduct affects that use or impacts the operations of critical infrastructure the punishment shall be imprisonment for a period not exceeding ten years, or a fine not exceeding level twelve, or both. (4) Where the offence in subsection (1) (a) was committed in any of the