FIDO vs FIDO2: Understanding the Evolution of Passwordless Authentication
Visual Overview: graph TB subgraph "Authentication Methods" Auth[Authentication] --> Password[Password] Auth --> MFA[Multi-Factor] Auth --> Passwordless[Passwordless] MFA --> TOTP[TOTP] MFA --> SMS[SMS OTP] MFA --> Push[Push Notification] Passwordless --> FIDO2[FIDO2/WebAuthn] Passwordless --> Biometric[Biometrics] Passwordless --> Magic[Magic Link] end style Auth fill:#667eea,color:#fff style MFA fill:#764ba2,color:#fff style Passwordless fill:#4caf50,color:#fff Introduction As organizations and developers continue shifting toward passwordless authentication, two standards often come up: FIDO and FIDO2. While closely related, these standards represent different stages in the evolution of secure, phishing-resistant login technology. ...