ChatGPT Adds Locked Conversations, Without Encryption

Key Takeaways

1Thread locking does not provide end-to-end encryption and does not alter retention or account settings

2Locked conversations are accessible via PIN or biometrics and are isolated in a dedicated section, outside of search

3The memory of locked threads is separate, and resetting the PIN permanently deletes this content

Why it matters : The feature is rolling out across most offerings with a gradual deployment and exclusions, which clearly defines its scope and privacy limitations.

OpenAI introduces a lock for ChatGPT threads using a PIN code or biometrics, isolating them in a dedicated section. The company also details what this security does not change, the cases where it is not available, and a gradual rollout.

No encryption and several excluded thread categories

OpenAI clarifies that locking a thread does not implement end-to-end encryption and does not create a separate encrypted vault. The retention period remains unchanged, information stored before locking is not deleted, and the setting "Improve the model for everyone" remains the same. The option is not available for Temporary Conversations, archived conversations, groups, threads created from a shared link, those with scheduled tasks, or those with meeting recordings.

PIN code or biometrics, and a dedicated space outside of search

Locked exchanges are protected with a four-digit PIN code, or via Face ID and Touch ID on compatible devices. Once activated, the conversation moves to a "Locked Conversations" section, distinct from the history, pinned threads, and search results. Unlike Temporary Conversations, these threads remain accessible later.

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Separate memory and deletion upon PIN reset

When Memory is activated, locked conversations share a dedicated memory, separate from regular Memory. New messages sent after locking can enrich this specific memory without affecting the general Memory, preventing information from locked threads from appearing in ordinary discussions. In the event of a PIN reset, all locked conversations, as well as files and content protected by the old code, are permanently deleted.

Targeted uses, covered offerings, and ongoing deployment

The feature is being activated on ChatGPT Free, Go, Plus, Pro, Business, Enterprise, and Edu, but it is not available for ChatGPT for Health. OpenAI indicates that the rollout begins on Tuesday and that not all accounts have it yet. The lock is particularly aimed at situations where personal information is exchanged or a surprise is being prepared while temporarily lending one's device.