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Data Breach at Icon Cancer Centre Exposes Patient Information

Data Breach at Icon Cancer Centre Exposes Patient Information

First seen 12 Oct 2026, 09:31 UTC • •

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ThreatCluster AI
ThreatCluster •October 12, 2026 at 10:29 UTC
  • •Icon Cancer Centre confirmed a data breach affecting patient data.
  • •Hacker claims to possess over 31,000 sensitive documents for sale.
  • •Patient care remains unaffected, and the Group is investigating the breach.

The Icon Oncology Group has confirmed a data breach affecting patient data at the Icon Cancer Centre, Australia's largest cancer care provider. The breach involved unauthorized access to patient information stored on a supplier's system. The Group activated its incident response plan, reset access to the affected system, and engaged cybersecurity experts. They have notified the Australian Federal Police and relevant regulators. The hacker, known as 2019, claims to possess over 31,000 sensitive documents, including patient names, addresses, and Medicare details, which are being offered for sale in cryptocurrency. The Group believes that the compromised records do not include complete patient files but rather discrete documents related to business correspondence. Patient care and treatment remain unaffected, and the Group is working to confirm the specific patients impacted by the breach.

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Timeline

2026-10-10
Hacker posts data for sale
A hacker known as 2019 posted on an underground forum, claiming to have over 31,000 sensitive documents from the Icon Cancer Centre.
Cybersecurityconnect.Au
2026-10-12
Breach confirmed by Icon Oncology Group
Icon Oncology Group announced a data breach involving unauthorized access to patient information on a supplier's system.
Cybersecurityconnect.Au

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Common questions

What specific patient data was compromised?
The compromised data reportedly includes patient names, addresses, diagnoses, and Medicare details.
Is patient care affected by this breach?
No, the Icon Oncology Group stated that patient care and treatment are not affected.
What actions is Icon taking in response to the breach?
Icon has activated its incident response plan, reset access to the affected system, and engaged cybersecurity experts.