This feature allows users to secure their end-to-end encrypted backups using biometric methods like fingerprints, facial recognition, or device screen locks, ensuring seamless access even after losing a phone or switching devices.
Announced on October 29, 2025, the update addresses a long-standing pain point for the app’s over three billion users, who often store years of photos, voice notes, and conversations in backups on Google Drive or iCloud.
Passkeys represent a passwordless authentication evolution, leveraging device-specific biometrics to generate unique cryptographic keys that remain secure on the user’s hardware.
Unlike the previous system introduced in 2021, which required a custom password or a cumbersome 64-digit encryption key, this new method integrates directly with the phone’s built-in security features for effortless encryption.
Users can now encrypt backups with a simple tap or glance, applying the same robust end-to-end encryption that safeguards live chats and calls against access by WhatsApp, Meta, or third-party cloud providers.
This innovation not only enhances convenience but also reduces risks associated with forgotten credentials, which previously could lock users out of their data entirely.
Security experts note that passkeys are more resistant to phishing and credential stuffing attacks than traditional passwords, making them a forward-thinking choice for mobile messaging.
With cyber threats escalating, including recent spyware exploits targeting messaging apps, protecting stored data has never been more critical.
WhatsApp’s encrypted backups ensure that personal memories and sensitive exchanges remain private, even if a device is compromised or stolen. The feature builds on the platform’s pioneering 2021 rollout of end-to-end encryption for backups, which now secures over 100 billion daily messages for two billion users.
By eliminating reliance on easily lost keys, passkeys democratize advanced security, empowering non-technical users to maintain privacy without compromising on protection.
This move aligns with broader industry trends toward biometric and zero-knowledge authentication, potentially setting a standard for other apps handling personal data.
The passkey encryption will deploy gradually worldwide on iOS and Android over the coming weeks and months, starting with the latest app versions. To enable it, users should navigate to Settings > Chats > Chat backup > End-to-end encrypted backup and select the passkey option.
WhatsApp encourages immediate updates to stay ahead of the rollout, emphasizing that this enhancement keeps backups as secure and accessible as everyday chats.
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The post WhatsApp Introduces Passkey Encryption for Enhanced Chat Message Backup Security appeared first on Cyber Security News.
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