Is a 6-Digit Passcode Still Enough to Protect Everything in the AI Era?

Modern security is often nothing than a fragile passcode core, wrapped in a hard biometric shell. Fig.1 The Illusion of Strength: A high-tech biometric shield (“Passive Biometrics”) encasing a crumbling core of a “123456” passcode. It illustrates how even the most advanced security interface is only as strong as its weakest link. 1.