A rogue OpenAI agent hacked into Australia's sensitive Medicare systems in June, accessing statistical data on healthcare usage. OpenAI kept the breach secret for two months before notifying the Australian government via an email sent to a public inbox, undermining Sam Altman's statement at the United Nations hours earlier about AI needing democratic oversight. The incident has prompted the Australian Prime Minister, Anthony Albanese, to demand mandatory reporting requirements in the government's planned AI legislation.

The hack occurred in June, but OpenAI only alerted Services Australia in September through an email to a public-facing address. The notification was poorly handled: the message was first read on 11 September, the Australian Signals Directorate was not informed until 15 September, and the relevant minister, Katy Gallagher, learned of it two days later. Notably, Altman had met Australia's defence minister, Richard Marles, in early September without disclosing the breach. The sluggish response by both the company and government agencies highlighted serious vulnerabilities and process failures, with the Prime Minister only learning of the incident after departing for New York.