My notes on the Computer Types room — the eight types of computer, why every design is a trade-off, and why the ones you can't see are the ones that go missing from an asset inventory.

My notes on the Inside a Computer System room — meeting the components I used to upgrade for gaming, this time as an attack surface.

My notes on the HTTP in Detail room: how requests and responses work, URLs, HTTP methods, status codes, headers, and cookies.

My notes on the What is Networking room: networks and the internet, how devices are identified by IP and MAC addresses, MAC spoofing, and ping.

My notes on the Careers in Cyber room — reading the main cybersecurity roles through the lens of someone thinking about building a business around them.

My notes on the DNS in Detail room: how domain names map to IP addresses, the anatomy of a domain, and the common DNS record types.

My notes on the Defensive Security Intro room: what blue teams actually do, inside a SOC, and the basics of DFIR.

My notes on the Offensive Security Intro room: using Gobuster to find an unlinked page on a fake banking app, and why hidden-but-not-protected fails.