Authentication, Basic, Bearer, OAuth2, JWT, SSO, Access & Refresh Tokens
Before any system can authorize or restrict access, it first needs to know who is making the request.
In this video, I explain how authentication really works, from the simplest methods like Basic Auth to modern, token-based systems like Bearer Tokens, OAuth2, JWT, Access & Refresh Tokens, and Single Sign-On (SSO).
What is Authentication
Basic Authentication (Base64 encoding)
Bearer Tokens
OAuth2 and JWT
Access & Refresh Tokens
SSO and Identity Protocols (SAML vs OAuth2)
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