Encryption

ChatGPT’s New Locked Chats Hide Conversations, But Add No Encryption

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ChatGPT’s New Locked Chats Hide Conversations, But Add No Encryption

OpenAI has begun rolling out locked chats in ChatGPT, a feature that hides individual conversations behind a four-digit account PIN so they disappear from the main history, from pinned chats and from ordinary search. The release notes are dated October 20, and the accompanying help-centre article is strikingly candid about what the lock does — … Read more

WhatsApp Backup Security: Storage Limits, Encryption, and the Key You Can’t Lose

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WhatsApp Backup Security: Storage Limits, Encryption, and the Key You Can’t Lose

WhatsApp chats may feel as if they live inside the app, but the history sits on the phone—and the backup lands in Google on Android or iCloud on iPhone. As of October 2026, WhatsApp is also testing its own cloud storage, a third path not yet universally available. Because WhatsApp does not store chat history … Read more