AI Voice Scam

The author argues that biometrics, tokens, and knowledge-based secrets are fundamentally unreliable because they are information artifacts that cannot be uniquely or persistently tied to a physical person. Citing issues such as non-uniqueness of measurements, token misuse, and human limitations with secrets (e.g., PINs), the piece concludes that the conventional three-factor authentication paradigm cascades into insecurity, eroding privacy and trust.