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OpenAI rolls out a Lockdown Mode for extra protection against prompt injection attacks
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OpenAI rolls out a Lockdown Mode for extra protection against prompt injection attacks

Engadget · Jun 5, 2026, 7:33 PM

Key takeaways

  • The company says most users don't need to use the feature.
  • Open AI Open AI has begun rolling out Lockdown Mode, an optional security setting designed to offer users advanced protection from prompt injection attacks.
  • OpenAI is billing Lockdown Mode as a sort of last line of defense against prompt injections, building on the robust protections that it says it already offers through ChatGPT, its models and backend systems.

The company says most users don't need to use the feature.

Open AI Open AI has begun rolling out Lockdown Mode, an optional security setting designed to offer users advanced protection from prompt injection attacks. For the unfamiliar, prompt injection is a form of social engineering that is specific to conversational chatbots. As AI systems have become better at pulling information from the internet, people have begun hiding malicious instructions on webpages and other places to try and trick those systems.

OpenAI is billing Lockdown Mode as a sort of last line of defense against prompt injections, building on the robust protections that it says it already offers through ChatGPT, its models and backend systems. "Lockdown Mode is not intended for everyone," OpenAI explains. "It is designed for people and organizations that handle sensitive data and want stricter protection from data exfiltration risks related to prompt injection."

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