Securing Your Next.js Application

Security is fundamental to building trustworthy applications. This guide covers essential security practices for Next.js.

Authentication Best Practices

Use established auth libraries (NextAuth.js, Clerk)

Implement proper session management

Enable 2FA where possible

Common Vulnerabilities

Protect against:

XSS attacks

CSRF attacks

SQL injection

Rate limiting

Deployment Security

Environment variables management

HTTPS everywhere

Content Security Policy headers