OpenAI Adds a Lockdown Mode to ChatGPT
Prompt injection remains the black hole of AI agent security. OpenAI's answer is a mode that cuts ChatGPT's network access when you don't need it. In practice: if you use ChatGPT to browse or act on the web, switch it on for sensitive tasks.
practitioners › Lockdown Mode is opt-in and lives in settings, paired with Elevated Risk labels on capabilities deemed more exposed. Dated February 13, 2026.
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