Networking
HTTP Security Headers
Core browser security headers and how they reduce common client-side risks.
6/20/2026headerswebhardening
HTTP Security Headers
Security headers communicate browser-side rules that reduce the impact of content injection, downgrade attacks, and unnecessary data exposure.
Important Headers
Content-Security-PolicyStrict-Transport-SecurityReferrer-PolicyPermissions-PolicyX-Content-Type-Options
Review Pattern
Start with the current value, identify the missing protection, then recommend a deployable value with rollout notes.