MFA and SSO (Preview)

Last reviewed May 28, 2026 Content v20260528

Track mode

none

Means

Read / quiz

Reading

~1 min

Level

beginner

This lesson

This lesson teaches MFA and SSO (Preview): security mindset, common threats, and defensive practices for software teams.

Over-privileged IAM is the #1 cloud breach enabler—least privilege and MFA are non-negotiable baselines.

You will apply MFA and SSO (Preview) in contexts like: SaaS login, mobile tokens, and workforce SSO portals.

Read scenario-based lessons, map controls to code you write on other tracks, and complete MCQs—practice threat modeling on paper or in docs.

When you can explain the previous lesson's ideas in your own words.

Multi-factor authentication (MFA) requires two+ factors—dramatically reduces account takeover from stolen passwords.

MFA types

TOTP apps (Google Authenticator), push approvals, WebAuthn/FIDO2 hardware keys—prefer phishing-resistant methods for admins.

Single Sign-On (SAML/OIDC) centralizes login—users authenticate once; apps trust identity provider. Simplifies MFA enforcement.

Document emergency admin access without bypassing all controls permanently.

Q: Why MFA on root/admin?
A: Stolen password alone is insufficient for takeover.
Q: OIDC?
A: Modern SSO protocol often used with OAuth2 flows.

Tip: Require phishing-resistant MFA for production admin and cloud root break-glass.

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