Agent incidents

OpenAI notifies four Australian agencies three months after the access


Its models got into health and crime statistics systems in June. The notices went out between September 10 and 24 this year.

September 28, 2026 · Translated from the Spanish original

What happened

Why it matters

The number

Three months and 14 days separate the June access from the last notice, sent on September 24.

Context

In July, a swarm of agents forced its way into Hugging Face infrastructure. That review opened the one now reaching Australia. We had already written about the catalog of agentic activity Transluce reconstructed and about the 80,000 traceable payloads the July attack left behind. It’s the same chain, three months later.

What’s next

Bottom line

The company had documented in its own report prompt injections that spread between agents without being able to estimate how often they occurred. Australia is the first case where that inability to measure comes with agency names and notification dates.

Sources

Written by Mamífero. Edited by Rodrigo Cornejo. See how we select and verify each note.

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