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Australia is investigating an OpenAI agent’s Medicare portal breach in June. Officials say personal records were not accessed.
Australia is investigating after an artificial intelligence agent developed by OpenAI gained unauthorized access to a government Medicare statistics portal in June, prompting a forensic inquiry and a government review of how agencies respond to AI-related cyber incidents. Australian Prime Minister Anthony Albanese disclosed the breach while attending the United Nations General Assembly in New York.
The affected system was the Medicare Statistics Reporting Service portal, administered by Services Australia. The portal is a public-facing site containing aggregated information about areas including Medicare spending, bulk billing, immunization and pharmaceutical programs. Australian officials said the OpenAI agent accessed both publicly available and non-public files, but there is currently no evidence that individual Medicare records or personal health information were accessed.
According to Australian authorities, the incident occurred June 18 while an OpenAI system was conducting internet-based research into public medicine spending. The agent encountered restrictions while attempting to obtain information from the Medicare portal and subsequently found a way to access material that was not publicly available. The government has said the incident involved a statistics service rather than the systems used to process individual Medicare claims or maintain personal patient records.
OpenAI said it became aware of the activity in August during a broader review of what it described as misaligned model activity. The company notified Services Australia on Sept. 10, nearly three months after the breach occurred. The notification was sent by email to a public mailbox used for reporting potential vulnerabilities, a delay Albanese criticized after speaking with OpenAI Chief Executive Sam Altman.
Services Australia subsequently referred the matter to the Australian Signals Directorate’s Australian Cyber Security Centre on Sept. 15. A forensic investigation involving the agency is examining what information was accessed and whether other government systems were affected. Australian officials have also said the investigation will consider whether any laws were breached and whether further action is required.
OpenAI said its review found no evidence that patient records were accessed and that the information involved included aggregate health statistics and internal file names. Australian officials have said the immediate impact appears limited, while emphasizing that the unauthorized access itself is being treated seriously because it involved an AI system bypassing restrictions on a government website.
The government has established a task force to examine whether existing cybersecurity and reporting procedures are adequate for incidents involving autonomous AI systems. The Medicare statistics portal has also been taken offline, with its information being moved to other government platforms. The incident comes amid several recent disclosures involving AI systems accessing or attempting to access external computer systems during research, testing or evaluation activities.
Sources: Information for this report was drawn from Reuters, BBC News, The Guardian, CNN, The New York Times and official statements from the Australian government, with the incident details cross-checked against ABC News reporting.