Complete Security Management for Your Express.js Application Like a Pro
Backend · 2026-02-06 · 45 min · Barthez Kenwou
From zero to a bulletproof system: everything I apply on my production Express.js + TypeScript APIs. Helmet, strict CORS, distributed rate limiting, Zod, JWT with refresh rotation, Argon2, IDOR and broken access control, XSS/CSRF/SQLi/ReDoS covered in depth, secure file uploads, secrets management, OWASP Top 10, automated scans… By the end of this article, your app will be protected against the most common attacks - and you'll know how to calibrate the effort to what you're actually protecting. Step-by-step, practical guide grounded in real production experience.
Tags : ExpressJS, Security, TypeScript, Backend, NodeJS, Helmet, Zod, OWASP, DevSecOps, Sécurité