Single Sign-On promises one login for everything, but the path from Windows authentication to modern OAuth flows reveals decades of security evolution. Understand when to use each protocol and avoid authentication pitfalls.
SAML enables enterprise SSO across organizational boundaries, but its XML complexity and browser-centric design reveal both strengths and limitations. Learn when SAML excels and when modern alternatives fit better.
Kerberos revolutionized network authentication with ticket-based security. Discover how this MIT protocol became the foundation of enterprise SSO and why it still powers Windows domains today.