Source methodology
Implemented official source
OAIC Notifiable Data Breaches statistics
One published aggregate metric cell for a reporting period and source-defined dimension
Historical reporting-period workbook published through Data.gov.au and subject to revision.
- Regulator
- Office of the Australian Information Commissioner
- Jurisdiction
- Australia
- Reporting scheme
- Notifiable Data Breaches scheme
- Publication level
- National Aggregate
- Coverage type
- Aggregate Reporting Periods
- Reporting threshold
- Notifications concern eligible data breaches under Part IIIC of the Privacy Act 1988; the workbook contains aggregate statistics, not a register of named notifications.
- Source population
- Notifications received under the NDB scheme; affected-person figures use the source-labelled Australian or worldwide population.
- Licence state
- Creative Commons Attribution 4.0 International
- Rights boundary reviewed
- 23 July 2026
- Redistribution decision
- Approved With Conditions
- Automated health
- Healthy
- Snapshot completeness
- Complete
- Update checkpoint
- Complete
- Reviewed record floor
- 100
- Accepted records
- 173
- Rejected records
- 0
- Bounded retrieval limit
- 2,000
- Source revision
- e14c521b-0966-42cf-849b-0ef1214e8903:2026-06-29T06:24:03.417237
- Snapshot checksum
- 18a1b7fecd908b97d112418ba6c6ca0b0b1b4cc6e3659c6dada4713c47063a57
- Latest update attempt
- 24 July 2026
- Last successful update
- 24 July 2026
Limitations
- The figures are based on information self-reported by notifying entities.
- Aggregate records do not identify reporting entities.
- Notification counts are not automatically unique real-world incidents.
- Statistics can be revised.
Correction process
Check the current Data.gov.au resource and OAIC dashboard notes before publishing a correction.
Attribution
Office of the Australian Information Commissioner