FaceID: Phone has been unlocked by other people’s face looking similar to mine

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FaceID: Phone has been unlocked by other people’s face looking similar to mine

Dear apple,

recently, my brother (5 years younger than I am) picked up my phone (iPhone 12 pro max) and he can unlock it with his face despite him not really looking exactly like myself. I found this concerning as I thought it should be smart enough distinguishing siblings 5 years younger. if you want more info (picture etc for analysis), happy to share. Simply found this as an indicator that Face ID can be tricked more easily than I thought.

iPhone 12 Pro Max

Posted on Aug 26, 2022 8:52 AM

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Answer 1

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shoeluvr13

Level 6

18,511 points

Aug 26, 2022 10:41 AM in response to sascha51

Face ID technology is explained in: About Face ID advanced technology - Apple Support

"The probability that a random person in the population could look at your iPhone or iPad Pro and unlock it using Face ID is approximately 1 in 1,000,000 with a single enrolled appearance. As an additional protection, Face ID allows only five unsuccessful match attempts before a passcode is required. The statistical probability is different for twins and siblings that look like you and among children under the age of 13, because their distinct facial features may not have fully developed. If you're concerned about this, we recommend using a passcode to authenticate."

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FaceID: Phone has been unlocked by other people’s face looking similar to mine

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