Posts tagged “Security”

Learn how to properly manage secrets in Node.js applications—from development .env files to production vault solutions. Includes practical examples of AWS Secrets Manager, HashiCorp Vault, and runtime secret rotation.

Learn when to use DOMPurify versus manual validation for input sanitization. Real-world examples comparing DOM-based sanitization with regex and custom validation approaches.

Learn how to implement Content Security Policy in your JavaScript applications to prevent XSS attacks and secure your code. Practical examples with nonces, hashes, and framework-specific patterns.

Learn when your Node.js API actually needs CSRF protection and how to implement it correctly. Real-world examples of synchronizer tokens, custom middleware, and authentication patterns that work.

Learn how to protect your JavaScript applications from XSS attacks with practical code examples, security patterns, and real-world implementation strategies.

A practical guide to choosing between Redis and database storage for session management in Node.js applications, with real-world implementation examples and performance considerations.

Learn critical JWT security practices including signature verification, token storage strategies, and refresh token rotation to protect your applications from common vulnerabilities.

While most developers focus on which auth library to use, the real game-changer is understanding authentication patterns. Here are 5 battle-tested approaches that'll transform how you think about security in Node.js.

Learn the essential Node.js security practices that will protect your applications from common vulnerabilities. From input validation to dependency audits, discover how to build secure Node.js apps in 2026.