Security
Security
Security in system design — authentication, authorization, encryption (TLS, at-rest), API security, and OWASP top 10 mitigations.
1 min readConcepts · System Design
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 |
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