OpenAI adds PIN and biometric-protected Locked Chats to ChatGPT across consumer and enterprise plans, without end-to-end encryption
OpenAI announced Locked Chats for ChatGPT on 2026-10-20. The feature lets users hide individual conversations behind a four-digit PIN or, on supported devices, Face ID, Touch ID or the device unlock method (techcrunch.com, olhardigital.com.br). It is a local privacy control for shared or exposed screens and devices, not a security boundar…