Recognizing this need, major online messaging services use a technique called end-to-end encryption, to secure and protect users' conversations.

WhatsApp introduced passkey-encrypted backups, adding an extra layer of security by letting users protect their chat history with passwordless authentication.

Face, finger or lock-screen code: These passkeys are all you will need to encrypt your WhatsApp chat backups in the near future, the messaging app announced Thursday. Meta-owned WhatsApp, the most ...