Cyber Security and Data Protection (4) Any person who contravenes this section in any of the aggravating circumstances described in section 13 shall be liable to a fine not exceeding level 14 or to imprisonment for a period not exceeding ten years or to both such fine and such imprisonment. 163B Unlawful interference with data or data storage medium (1) Any person who unlawfully and intentionally interferes with computer data or a data storage medium by— (a) damaging, corrupting, impairing or deteriorating computer data; or (b) deleting computer data; or (c) altering computer data; or (d) rendering computer data meaningless, useless or ineffective; or (e) obstructing, interrupting or interfering with the lawful use of computer data; or (f) obstructing, interrupting or interfering with any person in the lawful use of computer data; or (g) denying, hindering, blocking access to computer data to any person authorised to access it; or (h) maliciously creating, altering or manipulating any data, programme or system in whole or in part which is intended for installation in a computer; shall be guilty of an offence and liable to a fine not exceeding level 10 or to imprisonment for a period not exceeding five years or to both such fine and such imprisonment. 5 10 15 20 25 (2) Any person who contravenes subsection (1) in any of the aggravating circumstances described in section 13 is liable to a fine not exceeding level 14 or to imprisonment for a period not exceeding ten years or to both such fine and such imprisonment. 163C Unlawful interference with computer system (1) Any person who unlawfully and intentionally interferes with the use of a computer or information system, computer device, an electronic communications system or critical information infrastructure by blocking, hindering, impeding, interrupting, altering or impairing the functioning of, access to or the integrity of, a computer device, computer or information system, an electronic communications network or critical information infrastructure shall be guilty of unlawful interference with computer or information system and liable to a fine not exceeding level 14 or to imprisonment not exceeding ten years or to both such fine and such imprisonment. 30 35 40 (2) Any person who contravenes subsection (1) in any of the aggravating circumstances described in section 13 is liable to a fine not exceeding level 14 or to imprisonment for a period not exceeding twenty years or to both such fine and such imprisonment. 163D Unlawful disclosure of data code (1) Any person who unlawfully and intentionally— (a) communicates, discloses or transmits any computer data, 22 45