Australia's financial year runs from July 1 to June 30; for example, financial year 2024-2025 starts on July 1, 2024 and ends on June 30, 2025.Â
The source suggests that the comparatively higher number of reports from Commonwealth, State and Territory Governments is due to their close working relationship with the ACSC and their willingness to report incidents.
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Share of cyber security incidents reported in Australia FY 2025, by sector
In the 2025 financial year, ** percent of cyber security threats reported to the Australian Cyber Security Centre were from the federal government. The second-highest share of reported threats was from state and local government agencies.
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Australian Cyber Security Centre. (October 14, 2025). Distribution of cyber security threats reported to the Australian Cyber Security Centre in Australia in financial year 2025, by affected sector [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 30, 2026, from /statistics/1281687/australia-distribution-of-cyber-security-incidents-by-sector/
Australian Cyber Security Centre. "Distribution of cyber security threats reported to the Australian Cyber Security Centre in Australia in financial year 2025, by affected sector." Chart. October 14, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 30, 2026. /statistics/1281687/australia-distribution-of-cyber-security-incidents-by-sector/
Australian Cyber Security Centre. (2025). Distribution of cyber security threats reported to the Australian Cyber Security Centre in Australia in financial year 2025, by affected sector. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 30, 2026. /statistics/1281687/australia-distribution-of-cyber-security-incidents-by-sector/
Australian Cyber Security Centre. "Distribution of Cyber Security Threats Reported to The Australian Cyber Security Centre in Australia in Financial Year 2025, by Affected Sector." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 14 Oct 2025, /statistics/1281687/australia-distribution-of-cyber-security-incidents-by-sector/
Australian Cyber Security Centre, Distribution of cyber security threats reported to the Australian Cyber Security Centre in Australia in financial year 2025, by affected sector ÌÇÐÄÆƽâ°æ, /statistics/1281687/australia-distribution-of-cyber-security-incidents-by-sector/ (last visited July 30, 2026)
Distribution of cyber security threats reported to the Australian Cyber Security Centre in Australia in financial year 2025, by affected sector [Graph], Australian Cyber Security Centre, October 14, 2025. [Online]. Available: /statistics/1281687/australia-distribution-of-cyber-security-incidents-by-sector/
