Authentication vs Authorization

Summary

Authentication verifies who you are (login), authorization determines what you're allowed to do once verified — a huge share of real vulnerabilities come from confusing or mishandling this distinction.

How to Learn This

1Give a concrete example of a system where authentication succeeded but authorization should have failed.
2Learn why 'broken access control' (OWASP Top 10, Phase 5) is fundamentally an authorization failure.
3Practice explaining this distinction to someone with no security background.

Virtual Machines & Lab Setup

Encryption Basics (Symmetric vs Asymmetric)

More topics in Core Security Concepts

Encryption Basics (Symmetric vs Asymmetric)Hashing & Password Security Public Key Infrastructure (PKI)Multi-Factor Authentication Access Control Models (RBAC, ABAC)Zero Trust Architecture Security Policies & Standards Defense in Depth The CVE & CVSS System

Stuck on this topic? Ask an Insider

Get 1:1 guidance from people who've walked this exact path — free on the InsideEdge app.

Download