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MediSecure

Disclosed May 16, 20242 years ago12,900,000 affectedUnverified

Ransomware attack on MediSecure exposes data of 12.9 million Australians

Electronic prescription provider MediSecure disclosed a large-scale ransomware attack in May 2024; the data theft itself continued until November 2023. In July it said about 12.9 million Australians had personal and health data stolen; the company entered voluntary administration in June.

What is known

People affected12,900,000 (as reported by the organization)
DisclosedMay 16, 2024
AttackRansomware
Data exposedNames, Addresses, Dates of birth, Health, Phone numbers, Government IDs
SectorHealthcare · AU
StatusUnverified: not yet confirmed by an official notice, a filing or the organization

Sources

Notices filed

WhereFiledPeople
ResearchtotalMay 16, 202412,900,000
History of this record
  • 2026-09-25 · added · seed source

First seen 2026-09-25 (Research). Record counts are as reported. Not legal advice.

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