Authentication factors, SSO, SAML, OAuth, Kerberos, RBAC versus ABAC, privileged access, MFA and passwordless login.
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- What is a knowledge factor?
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Something you know, like a password or PIN- What is a possession factor?
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Something you have, like a security key or phone- What is an inherence factor?
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Something you are, based on biometric characteristics- What is a behavior factor?
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How you perform an action, like typing speed or voice patterns- What is a location factor?
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Where you are accessing from, such as geographic or network location- Name the five main authentication factor categories
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Knowledge, possession, inherence, behavior, location- What does MFA stand for?
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Multi-Factor Authentication- What does MFA require?
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Two or more different independent authentication factors- What is 2FA?
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Two-factor authentication, a subset of MFA using exactly two factors- Why is MFA more secure than single-factor authentication?
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An attacker must compromise multiple independent factors, not just one- What is a common MFA example?
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Password combined with a code from a phone authenticator app- What is passwordless authentication?
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Authentication without using passwords as the primary method- Name three passwordless authentication methods
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Biometrics, security keys, and one-time links- What is FIDO2?
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Open standard for passwordless authentication using public-key cryptography- What is WebAuthn?
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Web API standard enabling passwordless authentication via FIDO2
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