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Simon Willison·

OpenAI Help: Lockdown Mode

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Hype
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In three linesOpenAI rolls out Lockdown Mode to ChatGPT (Free, Go, Plus, Pro, Business). This feature blocks outbound network requests to prevent data exfiltration in prompt injection attacks. It does not prevent injections themselves, but cuts off the exfiltration vector—one of three conditions in the "Lethal Trifecta".
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OpenAIAI safetyPrompt engineering

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