Cloud

Securing Node.js APIs: Essential Best Practices

2026-07-02 • 1 min read

Securing backend endpoints is essential to protect user database profiles and system APIs from malicious requests.

Install security middleware like Helmet to automatically configure HTTP response headers, preventing common XSS attacks.

Restrict API accessibility using specific CORS policy configurations, allowing requests only from trusted domain names.

Implement rate-limiting middleware to limit request frequency, defending servers from brute force and denial of service attempts.

Sanitize incoming query strings and body payloads using validation schemas to block SQL injection and database exploit attempts.