Security Headers
HTTP response headers that enable browser-side security features to protect against common web attacks.
What is Security Headers?
What is Security Headers?
Security headers are HTTP response headers that instruct web browsers to enable security protections. Key headers include Strict-Transport-Security (forces HTTPS), Content-Security-Policy (prevents XSS), X-Frame-Options (prevents clickjacking), X-Content-Type-Options (prevents MIME sniffing), and Permissions-Policy (restricts browser APIs). Missing security headers are one of the most common findings in web security scans and are typically easy to fix through web server or application configuration.
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