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#lockdown-mode

@seclink: OpenAI launches Lockdown Mode to defend against prompt injection attacks; ChatGPT fully rolls out Lockdown Mode to prevent network attacks and prompt injection. The Chinese security community has not yet widely discussed it.

X AI KOLs Timeline · 2026-06-08

OpenAI launches Lockdown Mode, ChatGPT fully rolls out this mode to defend against prompt injection attacks and enhance security.

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#lockdown-mode

OpenAI Adds Lockdown Mode (3 minute read)

TLDR AI · 2026-06-08 Cached

OpenAI introduces Lockdown Mode, an optional security setting that limits web browsing and external service access in ChatGPT to reduce data exfiltration risks from prompt injection attacks. It is rolling out to eligible personal and business accounts.

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#lockdown-mode

OpenAI unveils Lockdown Mode to protect sensitive data from prompt injection attacks

TechCrunch AI · 2026-06-06 Cached

OpenAI announced Lockdown Mode, a new feature for ChatGPT that provides additional protection against prompt injection attacks by disabling live web browsing, image retrieval, deep research, and agent mode. The feature is designed for users handling sensitive data and is rolling out to Business and eligible personal accounts.

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#lockdown-mode

OpenAI Help: Lockdown Mode

Simon Willison's Blog · 2026-06-05 Cached

OpenAI has launched Lockdown Mode for ChatGPT to prevent data exfiltration from prompt injection attacks by limiting outbound network requests. The feature is rolling out to eligible accounts including Free, Plus, Pro, and self-serve Business.

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#lockdown-mode

Introducing Lockdown Mode and Elevated Risk labels in ChatGPT

OpenAI Blog · 2026-02-13 Cached

OpenAI introduces Lockdown Mode and Elevated Risk labels in ChatGPT to mitigate prompt injection attacks and protect sensitive data. Lockdown Mode is an advanced security setting for high-risk users that constrains ChatGPT's interaction with external systems and is available for enterprise plans with planned consumer rollout.

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