Passwordless Authentication eliminates passwords entirely, replacing them with more secure and user-friendly factors like biometrics, hardware keys, magic links, or passkeys.
⚙️ How Does It Work?
Common methods include FIDO2 and passkeys (device-based cryptography), magic links (email OTP), biometrics (Face ID or fingerprint), and hardware tokens (YubiKey). No shared secret is ever transmitted or stored.
📍 Where Is It Used?
Modern enterprise IAM rollouts, consumer apps (Apple, Google, Microsoft all support passkeys), high-security environments.
💡 Real-World Example
Microsoft moves 220,000 employees to passwordless authentication using Windows Hello and FIDO2 security keys. Password-related helpdesk tickets drop 87%, and phishing attacks targeting passwords become irrelevant.
🔗 Related Terms
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