Australian Data Breach Guides
Expert, independent guides for major Australian data breaches. Find out what was exposed, check if you were affected, and learn what steps to take.
N
NYC Health + Hospitals Data Breach 2026
May 2026~1.8 million recordsCritical Risk
A
Australian Courts Data Breach 2026
February 2026Thousands of court files recordsCritical Risk
Y
youX Data Breach 2026
February 2026~444,538 recordsHigh Risk
P
Prosura Data Breach 2026
January 2026300,000 to 500,000 recordsHigh Risk
I
Canvas (Instructure) Data Breach 2026
May 2026~275 million (claimed) recordsMedium Risk
B
Booking.com Data Breach 2026
April 2026Undisclosed recordsHigh Risk
M
McGraw Hill Data Breach 2026
April 2026~13.5 million recordsHigh Risk
C
Crunchyroll Data Breach 2026
April 2026Undisclosed recordsHigh Risk
E
Eurail Passport Data Leak 2026
April 2026~300,000+ recordsHigh Risk
B
Basic-Fit Data Breach 2026
April 2026~1 million recordsHigh Risk
U
Under Armour Everest Ransomware Breach 2025
November 2025~72 million recordsHigh Risk
S
Salesforce Vishing Campaign (ShinyHunters) 2025
August 2025~1 billion (aggregate) recordsHigh Risk
A
Allianz Life Salesforce Breach 2025
July 2025~2.8 million recordsHigh Risk
W
Workday Salesforce CRM Breach 2025
August 2025Undisclosed recordsMedium Risk
W
Western Sydney University SSO Breach 2025
February 2025~10,000 recordsHigh Risk
G
Genea Fertility IVF Breach 2025
February 2025~940,000 recordsHigh Risk
D
DeepSeek Exposed Database 2025
January 2025~1 million recordsMedium Risk
T
Tangerine Telecom Data Breach 2024
February 2024~232,000 recordsHigh Risk
A
Australian Clinical Labs / Medlab Breach 2022
July 2022~223,000 recordsHigh Risk
Q
Qantas Data Breach 2025
June 2025~5.7 million recordsHigh Risk
O
Optus Data Breach 2022
September 2022~9.8 million recordsHigh Risk
M
Medibank Data Breach 2022
October 2022~9.7 million recordsHigh Risk
L
Latitude Financial Data Breach 2023
March 2023~14 million recordsHigh Risk
W
Woolworths MyDeal Data Breach 2022
October 2022~2.2 million recordsHigh Risk