Google Pixel 7 Pro - Face Unlock Demo
10We've already informed you that the Pixel 7 and Pixel 7 Pro will both carry the Face Unlock facial recognition feature. And for the moment, Google also said that there is nothing to say about it possibly sharing this with the Pixel 6 Pro. Google did say that this implementation of facial recognition will lean on the Tensor 2 chipset and "advanced machine learning models" to make Face Unlock work.
Reuters reports that even Google isn't ready to pronounce Face Unlock secure enough to authenticate mobile payments. So only the under-display fingerprint scanner will be able to verify the identity of a Pixel 7 series user checking out of a store using Google Pay. Google doesn't consider its facial recognition system secure enough to allow Face Unlock to be used to verify the identity of a Pixel 7 or Pixel 7 Pro user signing into an app using his or her Google Account.Google says that facial recognition needs to allow spoofing to unlock a phone 7% of the time or less for it to be considered secure. Spoofing on the new Face Unlock system will allow someone besides the phone's owner to unlock the device more than 20% of the time. The Alphabet unit also warns users that Face Unlock can have issues in low light. Because the iPhone uses an infrared camera for Face ID, low-light conditions are not a problem for Apple's TrueDepth Camera.
It should be pointed out that in 2019, the Pixel 4 series had secure Face Unlock using the same components Apple uses with the TrueDepth Camera. But sourcing the parts was much more expensive for Google since much fewer Pixel 4 handsets were produced compared to the number of iPhone units produced.
Face ID on Apple iPhone models started with the iPhone X in 2017 and produces 3D depth maps of users' faces making it harder to fool facial recognition systems. That's because, without the depth map, a bad actor could use a photograph of a phone's owner to unlock a device. We don't know exactly how Face Unlock works on the Pixel 7 line, but if Google isn't sold on the idea of allowing its use to confirm mobile payments, it probably is vulnerable to those with malicious intent.
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