Notifications by month
Notifications received each month, 1 July to 31 December 2025, with the source of breach as published in the workbook.
Notifications by month and source of breach
basis: month (published workbook month)
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?Month totals and source rows are the published workbook figures. Across the six months the source rows sum to 673 against the published grand total of 670; the dashboard shows the published rows and discloses this source quirk.
The published month table
| Month | Malicious or criminal attack | Human error | System fault | Other | Currently unknown | Total |
|---|---|---|---|---|---|---|
| 2025-07 | 68 | 35 | 3 | 7 | 4 | 117 |
| 2025-08 | 62 | 28 | 5 | 3 | 1 | 99 |
| 2025-09 | 63 | 39 | 10 | 1 | 3 | 116 |
| 2025-10 | 77 | 31 | 5 | 6 | 3 | 122 |
| 2025-11 | 63 | 29 | 4 | 2 | 1 | 99 |
| 2025-12 | 72 | 32 | 8 | 5 | 0 | 117 |
Rows are the published workbook figures. Across the six months the source rows sum to 673 against the published grand total of 670; the site shows the published rows and discloses this source quirk rather than re-allocating three notifications it cannot source.