Sectors and movers
Which sectors report the most breaches, and how the rankings move period to period.
Movement, Jul-Dec 2025 against Jul-Dec 2024
| Sector | 2025-H2 count | 2024-H2 count | Change | Share | Prior share |
|---|---|---|---|---|---|
| Finance (incl. superannuation) | 83 | 54 | +29 | 12.4% | 9.1% |
| Health service providers | 128 | 121 | +7 | 19.1% | 20.3% |
| Australian Government | 51 | 100 | -49 | 7.6% | 16.8% |
Counts are the published top-5 table rows for each period. Change is in notifications. New to the top 5 this period: Business/Professional Associations, Personal services (incl employment, child care, vets). Left the top 5 since 2024-H2: Legal, accounting and management services, Retail. Sector definitions drift across the series; names are kept as published.
Top 5 sectors per period
Top 5 sectors per period, 2018-2025
basis: period (published report figure)
Source: the OAIC workbook 1 July to 31 December 2025 (as at 29 June 2026), data.gov.au dataset 5781dc17-2ad0-4dd1-bced-01c544943ce3.
Where did this come from?A sector appears only in periods where it made that period's published top 5. Sector definitions drift across the series; names are kept as published.
Source of breach by sector, Jul-Dec 2025
Top 5 sectors by source of breach
basis: period (published report figure)
Source: the OAIC workbook 1 July to 31 December 2025 (as at 29 June 2026), data.gov.au dataset 5781dc17-2ad0-4dd1-bced-01c544943ce3.
Where did this come from?