ConceptsFIDO2

FIDO2

An open authentication standard that enables strong, phishing-resistant, passwordless login using public-key cryptography and hardware or platform authenticators, such as security keys or device biometrics, instead of passwords.

Glossary definition

14 direct links2 lessons

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PrerequisiteRelated

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Inherence Factor

A related concept to explore, covered by 8 lessons.

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Builds towardFIDO2 is a foundation for these

Passkeys

Phishing-resistant, passwordless credentials based on FIDO/public-key cryptography that let users sign in with a device or biometric instead of a password, syncable across devices for a smooth, secure experience.

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Inherence FactorStart here

lessons

Possession Factor

lessons

Authentication Factors

lessons

MFA Implementation

lessons

Passkey Adoption

lessons

Passwordless Authentication

lessons

Show 7 more connections

MFA

lessons

Phishing-Resistant MFA

lessons

SMS OTP

lessons

TOTP

lessons

WebAuthn

lessons

Credential Phishing

lesson

MFA Fatigue

lesson

Related Lessons

2 lessons cover this concept

Identity, Accounts, and the Identity Lifecycle

General Beginner

Authentication Factors and Modern Authentication

General Beginner