Node JS Secure a Node.js Application #nodejsinterviewquestions #nodejstutorial #nodejs #job #

🚀 How Do You Secure a Node.js Application? Security is critical in Node.js applications to prevent attacks like XSS, SQL injection, CSRF, and DDoS. Follow best practices to keep your app safe! 🔒 🔥 Best Security Practices for Node.js: ✅ Use HTTPS – Encrypt data in transit with SSL/TLS certificates. ✅ Validate & Sanitize User Input – Prevent SQL injection & XSS with libraries like validator.js. ✅ Implement Authentication & Authorization – Use JWT, OAuth, or Passport.js for secure access control. ✅ Enable Helmet.js – Protect against common web vulnerabilities by setting security headers. ✅ Use Rate Limiting & Throttling – Prevent DDoS attacks with express-rate-limit or Redis-based limits. ✅ Store Secrets Securely – Use .env files, AWS Secrets Manager, or HashiCorp Vault (avoid hardcoding). ✅ Keep Dependencies Updated – Regularly update npm packages and check for vulnerabilities with npm audit. ✅ Prevent NoSQL Injection – Use parameterized queries in MongoDB and SQL databases. ✅ Run Apps in Secure Environments – Use Docker, Kubernetes, or cloud security best practices. 💡 A secure Node.js app protects data, prevents attacks, and ensures user trust! 🎉 #NodeJS #Security #CyberSecurity 🚀 #BackendDev #WebDevelopment #JavaScript #AppSecurity #CodingTips #DeveloperLife 💻✨