Tech
Jun 07, 2026
OpenAI Introduces Lockdown Mode to Protect Sensitive Data
OpenAI has unveiled Lockdown Mode, a new feature designed to protect sensitive data from prompt inj…
OpenAI's New Defense Against Prompt Injection Attacks
OpenAI has announced a new feature called Lockdown Mode, aimed at providing additional protection against prompt injection attacks. These attacks involve hiding malicious chatbot instructions in webpages and other content sources.
Key Features of Lockdown Mode
Lockdown Mode will disable several features, including:
Live web browsing (only cached content will be accessible)
Retrieval and display of images from the web (image generation will still be possible)
Deep research
Agent mode
Limitations and Goals
Even with Lockdown Mode enabled, ChatGPT may still be vulnerable to prompt injections, particularly those found in cached web content or uploaded files. However, the goal of Lockdown Mode is to reduce the likelihood of sensitive data being shared.
Target Audience and Availability
Lockdown Mode is not intended for all users but is designed for individuals and organizations handling sensitive data who require stricter protection from data exfiltration risks. It is currently being rolled out to self-serve ChatGPT Business accounts and eligible personal accounts.
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