Checking HTTP Security Headers

Overview

HTTP response headers are the cheapest defense-in-depth layer most web apps ship. Each header closes one specific attack class — HSTS forces HTTPS, CSP blocks script injection, X-Frame-Options blocks clickjacking, etc. Missing headers don't break the app; they just leave the attack class open. This skill probes for the presence + value correctness of the canonical security-relevant headers.

When the skill produces findings