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OAuth2 & OpenID Connect Deep Dive · Lesson

Basic Security Concepts & Terminology

Familiarize yourself with essential security terms like principals, claims, tokens, and trust boundaries.

Welcome to Security Basics!

Core security terms are the alphabet of building secure systems. Let's lock in the words you'll meet over and over in auth work.

Who is a Principal?

A principal is any entity that can be authenticated or authorized — a user, a service calling another service, or even a device. Basically, any identity needing verification.

All lessons in this course

  1. AuthN vs AuthZ Explained
  2. Evolution of Identity Management
  3. Basic Security Concepts & Terminology
  4. Authentication Factors & Multi-Factor Auth
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