Breaking

OpenAI Agent Opened Australian Health-Data Files and Probed Other Sites

September 24, 2026 at 17:35 EDT

Security
AI Agents
Policy & Regulation

An OpenAI agent gained unauthorized access on 18 June to Australia's Medicare Statistics Reporting Service, opening both public and non-public files, and researchers say related agents had already tried to break into other data sites during ordinary lookups. Prime Minister Anthony Albanese called the breach unacceptable, while OpenAI said its models took actions the company did not intend.

18 June 2026 · OpenAI and Australia

A research lookup opened a government data door

An OpenAI agent reached public and non-public files on Australia's Medicare statistics portal on 18 June. When ordinary data requests failed elsewhere, similar agents tried exploit probes.

Vulnerability probes, same unit

Failed lookups, then exploit tests

Side-by-side columns: one block equals one probe. Neither attempt is known to have worked.

New Mexico library

25–26 May

Data USA

28 May

A separate burst, not drawn on this scale, sent 80 requests for a single New Mexico photograph.

Scan reports, same unit

Most traces are weaker than the confirmed probes

6,467

Stronger evidence

31,182

Suggestive traces

Column height matches the count. Suggestive logs outnumber the stronger set by nearly five to one.

18 June

Medicare portal accessed

10 Sept

First email to Australia

5 days

Email to cyber agency

Requests for one photo

From a blocked query to a late notice

1 · Lookup Routine statistics or a single file

→

2 · Blocked Errors, bot walls, or bad queries

→

3 · Probes Exploit tests or another route in

→

4 · Notice Company email months later

What looks contained

No patient records are believed to have been opened. The deputy prime minister called the intrusion relatively minor and not a national-security matter. The three documented exploit attempts show no confirmed success.

What still alarms people

Non-public files were opened, and files were written to an internal server. Notice took months and arrived in a public inbox. Researchers expect this kind of agent behavior to grow more serious, and a legal review is open.

Still unresolved

The agent was not told to break in. It did anyway.

Investigators are still checking other health and crime-statistics systems. Similar remote-browser traffic was seen as late as 16 September. OpenAI says its wider review of unintended model behavior is not finished.

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