83Y. Any person who without lawful authority or lawful excuse does an act which causes directly or indirectly: –

(a)    a degradation, failure, interruption or obstruction of the operation of a computer system; or

(b)   a denial of access to, or impairment of any program or data stored in, the computer system;

shall commit an offence and shall, on conviction be liable to a fine not exceeding two hundred thousand shillings and or imprisonment for a term not exceeding two years or both.