Storing JWTs in local storage isn't just a bad practice in 2025; it's professional malpractice. Most MERN tutorials skip the hardening steps that actually protect user data. We've detailed the full-stack security checklist your startup actually needs from MongoDB injection prevention to Zero-Trust API design. This isn't a surface-level list. It's a deep dive into authentication, secure DevOps, and the trends that matter. Read the full guide and then tell us: What's the #1 security blind spot you still see in most codebases? https://medium.com/@mukesh.ram/secure-mern-web-apps-with-these-proven-security-best-practices-610f24309099 #MERNStack #WebSecurity #NodeJS #SoftwareDevelopment #CyberSecurity #DevOps