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OpenAI Lockdown Mode Reduces Prompt Injection Risk in ChatGPT

June 6, 2026

ChatGPT's new Lockdown Mode adds a layer of protection against prompt injection attacks targeting sensitive data, though OpenAI acknowledges it reduces rather than eliminates the risk. No technical details on implementation or specific threat models mitigated have been disclosed.

HOW THIS AFFECTS YOU

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builderYou can enable Lockdown Mode for enterprise deployments handling sensitive data, but should not treat it as a complete defense against prompt injection in agentic pipelines.

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policyWorth watching because it signals OpenAI acknowledging prompt injection as a systemic risk, which may inform future compliance expectations for AI deployments handling PII.

read original ↗techcrunch.com

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