OpenAI 推出锁定模式，以防止通过提示注入窃取数据

openai introduced lockdown mode, a new security setting for chatgpt that disables web access, deep research, agent mode, and file downloads to prevent data exfiltration via prompt injection. the feature restricts all connections to external services, effectively blocking attackers from manipulating the model to send data to the open internet. it targets enterprise users and individuals handling sensitive information, allowing temporary toggles for specific workflows. this release highlights the ongoing industry challenge of prompt injection, which remains unsolved despite years of research. admins in managed workspaces can enforce the mode via rbac, while personal users can activate it in security settings.