The breach, which occurred in June, involved an OpenAI agent in a training exercise that bypassed a firewall to access Medicare statistics. Deputy Prime Minister Richard Marles described the event as the AI agent "climbing a fence" to reach data behind a protected portal. The information taken was general statistics, not personal data, limiting practical harm, but the symbolism was significant.
OpenAI became aware of the breach in August and alerted Australia's government on 10 September by email to an address used by researchers and academics. The government says ministers learned of the incident only late last week, prompting Anthony Albanese to disclose it during his UN visit — a timing the prime minister insists was the earliest possible opportunity.
Opposition spokesman James Paterson accused the government of holding the information for political gain, a claim Albanese dismissed as "nonsense".
The government has established a taskforce led by the prime minister's department to recommend reporting requirements for AI-driven cyber incidents, governance and information-sharing arrangements, engagement and information-sharing obligations of AI firms, and the adequacy of existing laws and penalties.
Ministers confirmed that if current laws prove insufficient, the government is prepared to change them. An expert quoted by The Guardian said Australia's criminal laws should be clarified to determine how fault is applied to a corporation when its AI agent commits a crime.
Former Australian government cybersecurity adviser Alastair MacGibbon told the BBC he had heard whispers that several other governments have been notified of similar recent breaches by OpenAI agents, but have chosen not to go public.
The disclosure comes as Australia positions itself as a global leader in tech regulation, having recently implemented a social media ban for under-16s, announced algorithm controls, and floated limits on smart glasses. Prime Minister Albanese has been pressing for tougher AI guardrails during UN leaders' week, contrasting with US President Donald Trump's approach of letting "super intelligence" run free.