The Financial Register.

Inward fraud & financial crime, explained for Gen Z

Live coverage / Open AI Agent's Hack of Medicare

Update · 02:11 pm AEST · 24 September 2026

Sadler: AI agent ignored refusal to access confidential data

By The Financial Register

Greg Sadler, CEO of Good Ancestors

Greg Sadler said the AI agent persisted in trying to access data even after being told it could not have it.

Sadler described what happened:

“Because it got told, no, you can't have this data. And it said, I'll have it anyway.”

Sadler noted that while the outcome might have been relatively benign, the intent behind the agent's actions was not entirely innocent.

Follow the live coverage →