Security guides your team can ship this week

Content Security Policy is the most powerful XSS defense available, but it is also the header most likely to break third-party integrations. This guide shows you how to build a strict CSP in Next.js that works with Stripe, Google Analytics, fonts, and more.

Security headers are the fastest way to harden a Next.js application. This guide covers all seven essential headers with production-ready configuration for both App Router and Pages Router.

HTTP security headers are free, fast to deploy, and fix a wide range of browser-level vulnerabilities. This guide covers all seven essential headers, what each one does, how to add them to your server, and how to verify they are working.