b) 5. 6. 7. a critical infrastructure, the punishment shall be rigorous imprisonment from 10 to 15 years and fine from Birr 100,000 to 200,000. Interference with Computer System 1/ Whosoever, without authorization or in excess of authorization, intentionally hinders, impairs, interrupts or disrupts the proper functioning of the whole or any part of computer system by inputting, transmitting, deleting or altering computer data shall be punishable with rigorous imprisonment from three years to five years and fine not exceeding Birr 50,000. 2/ where the crime stipulated under sub-article (1) of this Article is committed against: a) a computer system that is exclusively destined for the use of a legal person, the punishment shall be rigorous imprisonment from five to 10 years and fine from Birr 50,000 to 100,000; b) a critical infrastructure, the punishment shall be rigorous imprisonment from 10 years to 20 years. Causing Damage to Computer Data 1/ Whosoever, without authorization or in excess of authorization, intentionally alters, deletes, suppresses a computer data, renders it meaningless, useless or inaccessible to authorized users shall be punishable with rigorous imprisonment not exceeding three years and fine not exceeding Birr 30,000. 2/ Where the crime stipulated under sub-article (1) of this Article is committed against: a) a computer data that is exclusively destined for the use of a legal person, the punishment shall be rigorous imprisonment from three years to five years and fine from Birr 30,000 to 50,000; b) a critical infrastructure, the punishment shall be rigorous imprisonment from five to 10 years and fine from Birr 50,000 to 100,000. Criminal Acts Related to Usage of Computer Devices and Data 1/ Whosoever, knowing that it can cause damage to computer system, computer data or network, intentionally transmits any computer program exclusively designed or adapted for this purpose shall be punishable with simple imprisonment not exceeding five years or fine not exceeding Birr 50,000. 4