The Death of LocalStorage: Why Enterprise Apps Use Cookies

Hey DEV community, CallmeMiho here. I recently built a 140-page, 0ms latency web-app without a single database query. But speed is irrelevant if your architecture is a security liability. I keep seeing 2026 tutorials teaching junior devs to store JWTs in localStorage . Let me be brutally honest: if you are doing this in production, you aren't building a security model; you're building a honeypot. Here is why enterprise stacks have abandoned it. A single malicious NPM package can scan window.loca