Author Rejects Face ID and Fingerprints, Favoring 6-Digit PINs Over 2D Scans

1 articles · Updated · Pocket-lint · Jul 5

Biometric phone unlocking exposes users to legal and security risks the author says make PINs, passwords and stronger patterns a safer default.
U.S. law gives passcodes stronger Fifth Amendment protection because they are knowledge-based, while police may have more leeway to compel fingerprints or face scans.
2D facial recognition on many low- to mid-range Android phones can be fooled by deepfakes, photos or videos, while even advanced systems face growing pressure from 3D-printing and mask attacks.
Coercion is another weakness: fingerprints can be used while someone is asleep or incapacitated, and face unlock may be forced if a user is conscious, drugged or intoxicated.
6-digit PINs offer 1 million combinations versus 10,000 for 4-digit codes, and complex patterns can help, though both remain vulnerable to shoulder surfing or visible screen traces.