308B Meaning of unauthorised access, modification or impairment
(1) For the purposes of this Part, access to or modification of data, or impairment of electronic communication, by a person is unauthorised if the person is not entitled to cause that access, modification or impairment.(2) Any such access, modification or impairment is not unauthorised merely because the person has an ulterior purpose for that action.(3) For the purposes of an offence under this Part, a person causes any such unauthorised access, modification or impairment if the person’s conduct substantially contributes to the unauthorised access, modification or impairment.

Section 308B