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FIDO2

Authentication

Two-Factor Authentication (2FA) Passkey WebAuthn Hardware Security Key

A set of standards for secure, passwordless login.

Definition

FIDO2 is a set of standards that make it possible to log in securely without passwords, using passkeys or security keys.

In plain English A set of standards for secure, passwordless login.

Why this matters

Why it matters: It’s designed to stop phishing and reduce stolen-password attacks.

Example

Example: A company switches from passwords to FIDO2 security keys for employee accounts.