OpenAI Enhances ChatGPT with Lockdown Mode to Combat Prompt Injection Attacks

OpenAI Enhances ChatGPT with Lockdown Mode to Combat Prompt Injection Attacks

First seen 16 Feb 2026, 11:08 UTC Securitybrief.AuFeeds2.FeedburnerFeeds.4Sysops 26.3

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OpenAI has launched Lockdown Mode and Elevated Risk labels in ChatGPT to mitigate prompt injection attacks and other security threats. These features aim to protect users and organizations by limiting tool access and flagging potentially risky functionalities when interacting with external systems.

Timeline

2026-02-16
OpenAI introduces Lockdown Mode and Elevated Risk labels