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OpenAI unveils Lockdown Mode to protect sensitive data from prompt injection attacks

TechCrunch·June 6, 2026

OpenAI has introduced Lockdown Mode, a new feature designed to protect sensitive data from prompt injection attacks. The goal of Lockdown Mode is to reduce the likelihood of sensitive information being shared in the event of a prompt injection attack. Although Lockdown Mode does not completely eliminate the risk of prompt injections, it aims to minimize the potential damage. ChatGPT remains potentially vulnerable to prompt injections, even with Lockdown Mode enabled.

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