OpenAI Blog · Dec 22, 2025
Continuously hardening ChatGPT Atlas against prompt injection
Reviewed by Errol Vogt, Site support technician & online learning analyst · original summary · editorial policy
Continuously hardening ChatGPT Atlas against prompt injection. OpenAI is strengthening ChatGPT Atlas against prompt injection attacks using automated red teaming trained with reinforcement learning. This proactive discover-and-patch loop helps identify novel exploits early and harden the browser agent’s defenses as AI becomes more agentic. This update is relevant for small-office operators tracking changes in their tools.
Operator takeaway: For operators: review whether 'Continuously hardening ChatGPT Atlas against prompt injection' affects your current setup before relying on it in production.
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