##### 8D  Meaning of critical infrastructure sector -   Each of the following sectors of the Australian economy is a critical infrastructure sector: - \(a\) the communications sector; - \(b\) the data storage or processing sector; - \(c\) the financial services and markets sector; - \(d\) the water and sewerage sector; - \(e\) the energy sector; - \(f\) the health care and medical sector; - \(g\) the higher education and research sector; - \(h\) the food and grocery sector; - \(i\) the transport sector; - \(j\) the space technology sector; - \(k\) the defence industry sector\. --- ## Source and attribution Saved copy: C2018A00029 / C2026C00213 / f578e546a17068939a3a5a928474713f844dfae8 Scope: navPoint\_16 Compiled 2026\-06\-04\. This does not establish legal commencement\. Official source: https://www\.legislation\.gov\.au/C2018A00029/2026\-06\-04/2026\-06\-04/text/1/epub/OEBPS/document\_1/document\_1\.html Licence: https://creativecommons\.org/licenses/by/4\.0/ Based on content from the Federal Register of Legislation at 1 October 2026\. For the latest information on Australian Government legislation please go to https://www\.legislation\.gov\.au\. Converted XHTML into Tiptap JSON; recovered lists from paragraph classes; kept literal labels and text\. Print layout is changed\. The Commonwealth Coat of Arms is not covered by the CC BY licence\.