Arnav Sharma • 6/8/2026

ChatGPT Lockdown Mode Explained

This article details OpenAI's ChatGPT Lockdown Mode, an advanced security setting designed to mitigate prompt injection-based data exfiltration. It explains the threat model, how Lockdown Mode works as a deterministic control by disabling outbound network channels, which features are affected, and how to enable it for different account types (Enterprise, personal, Business). It also covers limitations and deployment strategies for organizations, making it relevant for security architects and IT teams evaluating AI governance.

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#prompt injection #Enterprise Security #Data Exfiltration