# Meanings of unauthorised modification and unauthorised impairment etc.

> act-s336J — as in force on 2026-06-04 — C2026C00232 · Compilation No. 171 — https://www.legislation.gov.au/C2026C00232/latest/text

336J Meanings of unauthorised modification and unauthorised
         impairment etc.
          (1) In this Part:
                (a) modification of identifying information; or
                (b) impairment of the reliability of identifying information; or
                (c) impairment of the security of the storage of identifying
                    information; or










                 (d) impairment of the operation of a system by which identifying
                     information is stored;
               by a person is unauthorised if the person is not entitled to cause
               that modification or impairment.
          (2) Any such modification or impairment caused by the person is not
              unauthorised merely because he or she has an ulterior purpose for
              causing it.
          (3) For the purposes of an offence under this Part, a person causes any
              such unauthorised modification or impairment if the person’s
              conduct substantially contributes to it.
          (4) For the purposes of subsection (1), if:
                (a) a person causes any modification or impairment of a kind
                    mentioned in that subsection; and
                (b) the person does so under a warrant issued under the law of
                    the Commonwealth, a State or a Territory;
              the person is entitled to cause that modification or impairment.










Division 5—Destroying identifying information