Newly uncovered code hints that ChatGPT could soon introduce a feature allowing users to lock individual conversations behind a PIN or biometric authentication, offering an extra layer of protection for sensitive exchanges. Instead of securing the entire app, the feature appears designed to let users selectively safeguard specific chats — a shift toward more granular privacy controls as AI assistants become deeply embedded in personal and professional life.
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The hidden references point to a system where users can mark certain conversations as protected, triggering a lock screen that requires a PIN, fingerprint, or other device‑level verification before the chat can be opened. This would give users a way to shield discussions involving financial planning, health concerns, business strategy, or personal journaling without restricting access to the rest of the app.
The move reflects a growing recognition that AI tools are handling increasingly private information. As people rely on ChatGPT for long‑term projects, confidential brainstorming, and sensitive problem‑solving, the need for chat‑specific security becomes more pressing. Device‑wide locks aren’t always enough — especially when users share devices, leave screens unattended, or simply want certain conversations tucked away.
If implemented, the feature would push ChatGPT closer to functioning as a secure personal knowledge vault, where users can store ongoing threads without worrying about accidental exposure. It also signals that privacy is becoming a competitive differentiator among AI assistants, particularly as they integrate deeper into workflows and daily routines.
Chat‑level locking won’t solve every privacy concern, but it represents a meaningful step toward giving users more control over how their information is protected inside AI systems.