Vercel Security Basics Overview Secure Vercel deployments with proper secret management, security headers, deployment protection, and access token hygiene. Covers environment variable scoping, Content Security Policy, and preventing common secret exposure patterns. Prerequisites - Vercel CLI installed and authenticated - Access to Vercel dashboard - Understanding of HTTP security headers Instructions Step 1: Secret Management with Environment Variables Critical rule: Never prefix secrets with . Variables starting with are inlined into the client JavaScript bundle and visible to anyone. Step 2…