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NestJS Security🛡️

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NestJS 11

Secure your NestJS applications. Comprehensive guide to authentication, authorization, and best security practices to protect your API.

5

Sections

20

Lessons

15

Challenges

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20 lessons and 15 challenges, all 100% free.

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Authentication (JWT)

Authorization (RBAC)

JWT Header(Sign in required)

Intermediate+20 Mana

Guards Deep Dive

Reflector Usage(Sign in required)

Advanced+30 Mana

Encryption & Hashing

Guard Execution Order(Sign in required)

Intermediate+20 Mana

Helmet Benefit(Sign in required)

Intermediate+20 Mana

CORS Configuration

Throttler Limit(Sign in required)

Intermediate+20 Mana

CSRF Protection

CORS Origin Configuration(Sign in required)

Intermediate+20 Mana

Advanced Input Validation

Input Sanitization

Whitelist Mode(Sign in required)

Intermediate+20 Mana

Request-Level Security

SQL Injection Prevention(Sign in required)

Intermediate+20 Mana

Output Encoding

Request Size Limit(Sign in required)

Advanced+30 Mana

Refresh Token Strategy

Cookie Security

Cookie HttpOnly Flag(Sign in required)

Intermediate+20 Mana

Session Fixation Prevention

Token Refresh Calculation(Sign in required)

Intermediate+20 Mana

Token Revocation

Token Versioning(Sign in required)

Advanced+30 Mana

API Key Authentication

OAuth2 Integration

API Key Storage(Sign in required)

Intermediate+20 Mana

Security Headers Deep Dive

OAuth2 Authorization Code Flow(Sign in required)

Intermediate+20 Mana

Security Audit Logging

Content Security Policy(Sign in required)

Advanced+30 Mana

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20 interactive lessons and 15 hands-on challenges — learn in VS Code, Cursor, or the web.