Authentication Explained: When to Use Basic, Bearer, OAuth2, JWT & SSO
Hayk Simonyan
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July 8, 2025
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Become a Remote Senior Software Engineer with a Job Guarantee: https://hayksimonyan.com/?utm_source=youtube&utm_medium=video&utm_campaign=126-authentication&utm_content=july-2025 Learn how authentication really works using Basic, Bearer, OAuth2, JWT, and SSO in real-world systems. 🔖 Sections 0:00 Introduction 0:28 What is Authentication? 1:10 Basic Authentication 1:44 Bearer Tokens 2:19 OAuth2 & JWT 3:17 Access and Refresh Tokens 4:23 SSO and Identity Protocols 5:23 Authorization
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