OpenAI’s ChatGPT release notes list Lockdown Mode under the June 4, 2026 updates and describe it as an optional, opt-in advanced security setting that limits access to the web and…
OpenAI’s ChatGPT release notes list Lockdown Mode under the June 4, 2026 updates and describe it as an optional, opt-in advanced security setting that limits access to the web and external services to reduce data-exfiltration risk from prompt injection.
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