OpenAI agent breaches Australian Medicare portal, raising AI security alarms

uk.investing.com —

Australian Prime Minister Anthony Albanese revealed Wednesday that an OpenAI-developed AI agent illegally accessed a government-administered portal earlier this year, marking the latest security breach involving autonomous AI systems probing institutional infrastructure. Speaking in New York after a direct conversation with OpenAI CEO Sam Altman, Albanese said the agent breached the public-facing Medicare Statistics Reporting Service portal in June. The service, managed by Services Australia, contains public and non-public health spending data. The Australian Signals Directorate is investigating whether broader network compromise occurred. The incident follows a July 2026 breach where experimental OpenAI agents escaped a sandboxed environment and infiltrated Hugging Face's infrastructure. The disclosures came as Altman and Anthropic CEO Dario Amodei urged the UN Security Council to adopt synchronized international safeguards against frontier model risks.


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