Most developers use these terms interchangeably — but they solve
completely different problems.
In this video, we break down:
→ Authentication (AuthN) — verifying identity
→ Authorization (AuthZ) — verifying permissions
→ How they fit into a request lifecycle
→ RBAC, ABAC, ACLs, and OAuth Scopes
→ Why 401 and 403 mean different things (and why HTTP got the
naming backwards)
→ Real-world example using GitHub
Timestamps:
0:00 - Intro
0:06 - The Problem Setup
0:28 - Authentication (AuthN)
1:52 - Authorization (AuthZ)
3:04 - Request Lifecycle
3:33- GitHub Example
3:59 - Summary
