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ColdRecon / Breach Radar / MediSecure
Breach Record

MediSecure

DISCLOSED 2026-09-24 · UNKNOWN · 12,900,000 RECORDS EXPOSED

Electronic prescription service provider MediSecure disclosed a cyberattack that exposed personal and health information of around 12.9 million people, making it one of the largest cyberattacks in Australian history.

The record

What we know

Disclosed
2026-09-24
Sector
Healthcare
Country
Australia
Records exposed
12,900,000
Data classes exposed
personal informationhealth information
Sources

Cited reporting

This page is the permanent ColdRecon entry for the MediSecure disclosure. It updates if new public reporting emerges. All tracked breaches →

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