Biometric authentication

Passguard is secured by Touch ID or Face ID.

This ensures that only you have access to your passwords. Biometric authentication with your face or thumb is great for securing local data. In combination with the secure enclave, data is encrypted on the device only and never exposed to the internet. Your biometric data is also only stored on apple’s secure enclave. Ensuring that no one can access your data remotely.

More about Face ID: wikipedia