If you're concerned about this, we recommend using a passcode to authenticate.
In the same way that Touch ID revolutionized authentication using a fingerprint, Face ID revolutionizes authentication using facial recognition.
Face ID data - including mathematical representations of your face - is encrypted and protected by the Secure Enclave.
This data will be refined and updated as you use Face ID to improve your experience, including when you successfully authenticate.
Apps that already support Touch ID will automatically support Face ID.
The technology that enables Face ID is some of the most advanced hardware and software that we’ve ever created.