This is a work in progress. While we strive for accuracy, some breach details may be incomplete or pending verification.

Sector: Government

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DATE ENTITY SECTOR SEVERITY
2026-01-14 Victorian Department of Education
Impact unknown
Education Government SEVERE
2025-06-23 United Australia Party
80,000 affected
Government SERIOUS
2025-05-05 Office of the Migration Agents Registration Authority
6 affected
Government MINOR
2025-03-25 NSW Department of Communities and Justice
9,000 records
Government SEVERE
2025-01-16 Muswellbrook Shire Council
175 GB exfiltrated
Government SERIOUS
2024-10-09 eVisa Indonesia
Impact unknown
Government SERIOUS
2024-07-18 Wattle Range Council
46,248 records
Government SERIOUS
2024-07-03 City of Ballarat
52 affected
Government MINOR
2024-06-18 Victorian Auditor-General's Office
Impact unknown
Government SERIOUS
2024-06-10 City of Moreton Bay
Impact unknown
Government SERIOUS
2024-06-10 Yarra City Council
60 GB exfiltrated
Government SERIOUS
2024-04-12 OracleCMS
Impact unknown
Government SERIOUS
2024-02-01 Central Coast Council
Impact unknown
Government MINOR
2024-01-02 Court Services Victoria
Impact unknown
Government SERIOUS
2023-12-21 Court Services Victoria
Impact unknown
Government SERIOUS
2023-12-15 Woollahra Council Libraries
Impact unknown
Government MINOR
2023-12-14 Queensland Fire and Emergency Services
Impact unknown
Government MINOR
2023-11-28 National Disability Insurance Agency
11,000 affected
Government Health SERIOUS
2023-11-27 Aboriginal Family Support Services
1,000 affected
Non-Profit Government MINOR
2023-10-04 Super SA
14,011 affected
Finance Government MINOR
2023-07-10 National Disability Insurance Agency
645 affected
Government SERIOUS
2023-07-04 Parks Victoria
Impact unknown
Government MINOR
2023-07-01 myGov / Australian Taxation Office
15,000 affected
Government SEVERE
2023-06-15 ACT Government
Impact unknown
Government SERIOUS
2023-05-31 MOVEit Transfer (Supply Chain)
5,000,000 affected
Technology Government Finance Retail SEVERE
2023-05-01 Northern Territory Government
Impact unknown
Government SERIOUS
2023-04-03 Service NSW
3,700 affected
Government MINOR
2023-03-01 Tasmanian Government
150,000 affected
Government SERIOUS
2023-01-11 Fire Rescue Victoria
100 GB exfiltrated
Government SERIOUS
2021-11-25 ACT Government
30,000 affected
Government SERIOUS
2021-11-04 mySA GOV
Impact unknown
Government MINOR
2021-07-15 Tasmanian State Growth Department
260 affected
Government MINOR
2021-03-16 Western Australia Parliamentary Email Network
Impact unknown
Government SERIOUS
2020-09-01 Department of Foreign Affairs and Trade - Stranded Australians
Impact unknown
Government MINOR
2020-08-01 Transport for NSW
54,000 affected
Government SERIOUS
2020-07-01 City of Darwin
Impact unknown
Government MINOR
2020-06-01 Australia - State-Based Cyber Attacks
Impact unknown
Government SEVERE
2020-05-01 Service NSW
47 affected
Government SERIOUS
2020-04-01 Western Australia Police Force
Impact unknown
Government SERIOUS
2020-03-01 Australian Department of Defence - Recruitment Database
Impact unknown
Government SERIOUS
2020-03-01 Federal Court of Australia
Impact unknown
Government SERIOUS
2020-01-31 Perth Mint
1,480 affected
Government MINOR
2019-10-01 Victorian Public Hospitals
72 hours downtime
Health Government SEVERE
2019-08-15 Myki / Public Transport Victoria
15,000,000 affected
Government Transport & Logistics SEVERE
2019-08-05 TAFE NSW
Impact unknown
Education Government SERIOUS
2019-07-15 Queensland Health
Impact unknown
Health Government SERIOUS
2019-06-15 GeelongPort
Impact unknown
Transport & Logistics Government SERIOUS
2019-06-15 Revenue NSW
Impact unknown
Government SERIOUS
2019-02-08 Australian Parliament House
Impact unknown
Government SEVERE
2019-01-15 Early Warning Network
Impact unknown
Government Telecommunications SERIOUS
2019-01-08 Victorian Government Employee Directory
30,000 affected
Government SERIOUS
2018-11-06 Victoria's Emergency Services
Impact unknown
Government SERIOUS
2018-09-18 Perth Mint
Impact unknown
Government Finance SERIOUS
2018-07-20 Airport Security Identity Cards (ASICs)
Impact unknown
Government SEVERE
2018-07-12 Tasmanian Electoral Commission
Impact unknown
Government SERIOUS
2018-07-10 My Health Record
Impact unknown
Health Government SEVERE
2018-07-09 Cairns Regional Council
Impact unknown
Government MINOR
2018-07-08 Townsville City Council
Impact unknown
Government MINOR
2016-08-09 Australian Census
$30,000,000 impact
Government SERIOUS
2015-12-02 Bureau of Meteorology
Impact unknown
Government SEVERE
2014-02-10 Department of Immigration and Border Protection
9,258 affected
Government SEVERE
2010-02-10 Operation Titstorm
72 hours downtime
Government SERIOUS
2006-10-01 Centrelink
790 affected
Government SERIOUS
2004-05-03 RailCorp
Impact unknown
Transport & Logistics Government SERIOUS
2000-04-23 Maroochy Water Services
$676,000 impact
Utility Government SERIOUS