🔧 Secure File Uploads: Seven Checks and Why Each One Exists

Part 3 of 4 — Laravel Architecture Patterns for Production
~9 min read · Security · Middleware · File handling



A file upload is the moment you hand control to an untrusted user.

Everything else in your application — form inputs, query parameters, JSON — is text. You validate it, sanitize it, store it in a database. A file upload is arbitrary...