OpenAI Introduces "Lockdown Mode" for Robust Prompt Injection Defense

OpenAI launches a "Lockdown Mode" feature to shield sensitive information from increasingly sophisticated prompt injection attacks.

As security concerns over LLMs rise, OpenAI has debuted its new Lockdown Mode. This tool strengthens defenses against malicious instructions hidden in web content or uploaded files by limiting certain capabilities like live browsing and agent mode.

While the system provides a robust layer of protection, the company notes that some risks—specifically from cached data—may still persist, marking an ongoing evolution in AI safety protocols.

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OpenAI Introduces "Lockdown Mode" for Robust Prompt Injection Defensehttps://techcrunch.com/2026/06/06/openai-unveils-lockdown-mode-to-protect-sensitive-data-from-prompt-injection-attacks/