WhatsApp Introduces Passwordless Chat Backup Encryption
WhatsApp users can now protect chat history with biometrics instead of remembering passwords.
A new passkey-based encryption system lets users secure their chat backups using biometrics or screen locks rather than lengthy passwords or cumbersome encryption keys.
The feature, available on iOS and Android, enhances backup privacy by relying on cryptographic key pairs.
- A private key stored locally on the user’s device
- A public key shared with the app
This design prevents credentials from being exposed in data breaches, as the private key never leaves the device.
Users can now encrypt backups with a fingerprint, facial recognition or a simple device PIN.
The feature can be enabled via Settings -> Chats -> Chat Backup -> End-to-End Encrypted Backup.
Author summary: WhatsApp introduces passwordless chat backup encryption for better security.
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