Web Application Security Guidelines

Modern web applications must be hardened against OWASP vulnerabilities like SQL injection, XSS, and unauthorized API exploitation.

Essential Next.js Security Headers

typescript
// next.config.ts

const securityHeaders = [

{ key: 'X-DNS-Prefetch-Control', value: 'on' },

{ key: 'Strict-Transport-Security', value: 'max-age=63072000; includeSubDomains; preload' },

{ key: 'X-Frame-Options', value: 'SAMEORIGIN' },

{ key: 'X-Content-Type-Options', value: 'nosniff' },

];

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