@tiffintech: Can someone unlock your iPhone with Face ID… while you’re asleep? For most people, yes. And unless you’ve changed one setting, it’s easier than you think. Here’s why: Face ID uses an infrared camera, flood illuminator, and over 30,000 invisible dot projections to map the exact geometry of your face in 3D. It matches that map to the one stored securely in your iPhone’s Secure Enclave. But by default, it doesn’t check whether your eyes are open. So if your face matches even with your eyes closed it unlocks. Which means if you’re asleep, distracted, or even unconscious, someone could access your phone. The fix is simple: in Settings → Face ID & Passcode, turn on Require Attention for Face ID. That forces the system to use infrared sensors to confirm your eyes are open and focused before unlocking. It’s one switch that turns Face ID from “anytime access” into “only when you’re actively looking at the phone.”

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Sunday 17 August 2025 19:27:52 GMT