Vercel
Netlify

Vercel vs Netlify Security

Vercel and Netlify are popular deployment platforms for frontend applications. Both offer good security defaults, but configuration details matter.

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Security Comparison

Category
Vercel
Netlify
Security Headers
Configure via next.config.js or vercel.json
Configure via _headers file
Environment Variables
Scoped by environment (dev/preview/prod)
Context-based (deploy context)
Preview Protection
Password protection available
Deploy preview controls
DDoS Protection
Built-in at edge
Built-in CDN protection
HTTPS
Automatic SSL
Automatic SSL
Edge Functions
Edge Functions with V8
Edge Functions with Deno

The Verdict

Both platforms provide solid security foundations. The main differences are in configuration approach rather than security capability.

Choose based on your framework preferences and workflow. Either way, configure security headers and environment variables properly.

Industry Security Context

When comparing Vercel vs Netlify, consider these broader security trends.

10.3%

of Lovable applications (170 out of 1,645) had exposed user data in the CVE-2025-48757 incident

Source: CVE-2025-48757 security advisory

91%

of data breaches involve databases with misconfigured access controls

Source: Verizon Data Breach Investigations Report

4.45 million USD

average cost of a data breach in 2023

Source: IBM Cost of a Data Breach Report 2023

Vibe coding your way to a production codebase is clearly risky. Most of the work we do as software engineers involves evolving existing systems, where the quality and understandability of the underlying code is crucial.

Simon WillisonSecurity Researcher, Django Co-creator

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