WhatsApp has announced the rollout of a new security feature that allows users to secure their end-to-end encrypted chat backups using passkeys — meaning that instead of relying on long passwords or manually-saved encryption keys, users can use biometrics (such as fingerprint or face recognition) or their device screen lock to access their backups.
What’s Changing
Previously, WhatsApp had offered cloud backup encryption since 2021, requiring users to enter either a very long 64-digit key or a manually set password to restore messages stored on iCloud (for iOS) or Google Drive (for Android). According to Business Standard, the new update aims to reduce friction by integrating passkey authentication, so users can restore backups with a simple tap or glance rather than memorising a complex key.
How It Works
When a user enables the new feature, WhatsApp will prompt them to set up a passkey-based protection. From then on, backups saved in the cloud remain encrypted and can only be unlocked using the biometric or device lock method chosen by the user. This applies across both Android and iOS platforms and works with whichever cloud storage WhatsApp uses for that device. The company says the rollout will happen gradually over the coming weeks and months.
Why It Matters
This move addresses one of the major pain points in encrypted backups: the risk of losing access to years of chat history because a password or key was forgotten. By shifting to device-based authentication (where the passkey resides on the user’s own device) instead of requiring them to write down and manage long keys, WhatsApp is simplifying security and improving usability. At the same time, the end-to-end encryption promise remains intact — backups continue to be protected in such a way that neither WhatsApp nor the cloud provider can access their contents.
What Users Should Do
Users who want this protection should update their WhatsApp app to the latest version, then go to the settings menu, select Chats → Chat Backup → End-to-End Encrypted Backup (or similar) and follow the prompts to enable the passkey option. Although the feature will reach all users in time, it may not be available immediately for everyone. Users who value their chat history and backups are advised to enable this as soon as it appears in their app.
Considerations & Cautions
While passkey backup protection enhances convenience, users should still ensure their device-level security (biometric/fingerprint or screen lock) is strong and that they keep their device safe, because access to the unlock method becomes the gateway to the backup. Also, users who had previously enabled backups with a password or 64-digit key should check how the transition works on their device and whether they need to migrate to the new method. Importantly, forgetting the passkey or losing access to the device may still pose recovery challenges if the only unlock method is lost — hence safe device usage and backup of device recognition remains vital
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