June 7, 2026

OpenAI adds Lockdown Mode to ChatGPT to block data theft from prompt injection attacks

a person holding up a cell phone with a stock chart on it
PiggyBank / Unsplash

OpenAI has begun rolling out Lockdown Mode to ChatGPT, a new security setting designed to block attackers from stealing data through prompt injection attacks. The feature disables live web browsing, agent mode, deep research, image retrieval, Canvas...