Overview

Security is a critical aspect of system design. Understanding authentication, authorization, and common security patterns is essential for designing robust systems.

Topics

Authentication

OAuth, SSO, JWT, and identity verification

Authorization

RBAC, ABAC, and access control patterns

API Security

Securing APIs with best practices

Encryption

Data encryption at rest and in transit

Key Concepts

Concept	Description
Authentication	Verifying identity (who are you?)
Authorization	Verifying permissions (what can you do?)
Encryption	Protecting data confidentiality
Integrity	Ensuring data hasn't been tampered
Non-repudiation	Proving actions cannot be denied

Security