Web & System Fundamentals

Most real-world vulnerabilities live at the intersection of web requests and system privileges.

This section covers HTTP, how a browser-to-server conversation actually works, and the system-level concepts that make or break security.

HTTP How HTTP requests and responses work, and why that matters for web security.
System Concepts The system-level concepts — privilege, trust boundaries, process access — behind most vulnerabilities.

Next HTTPHow HTTP requests and responses work, and why that matters for web security.