S.1 [No. 11.] Criminal Justice (Offences Relating to Information Systems) Act 2017. [2017.] (2) In this Act a reference to an information system includes a reference to a part of the system. Accessing information system without lawful authority, etc. 2. A person who, without lawful authority or reasonable excuse, intentionally accesses an information system by infringing a security measure shall be guilty of an offence. Interference with information system without lawful authority 3. A person who, without lawful authority, intentionally hinders or interrupts the functioning of an information system by— (a) inputting data on the system, (b) transmitting, damaging, deleting, altering or suppressing, or causing the deterioration of, data on the system, or (c) rendering data on the system inaccessible, shall be guilty of an offence. Interference with data without lawful authority 4. A person who, without lawful authority, intentionally deletes, damages, alters or suppresses, or renders inaccessible, or causes the deterioration of, data on an information system shall be guilty of an offence. Intercepting transmission of data without lawful authority 5. A person who, without lawful authority, intentionally intercepts any transmission (other than a public transmission) of data to, from or within an information system (including any electromagnetic emission from such an information system carrying such data), shall be guilty of an offence. Use of computer programme, password, code or data for purposes of section 2, 3, 4 or 5 6. A person who, without lawful authority, intentionally produces, sells, procures for use, imports, distributes, or otherwise makes available, for the purpose of the commission of an offence under section 2, 3, 4 or 5— (a) any computer programme that is primarily designed or adapted for use in connection with the commission of such an offence, or (b) any device, computer password, unencryption key or code, or access code, or similar data, by which an information system is capable of being accessed, shall be guilty of an offence. 4