Problem Statement
Which control set best reduces malicious file-upload risk?
Explanation
Strong upload defense is layered. Validate type and content, never execute uploads, and isolate storage from direct web access. Scan files server-side and serve via a download endpoint, not straight from disk.
Code Solution
SolutionRead Only
accept: ['.jpg','.png'] + magic bytes check → store /data/blobs → GET /download/:id
