Topic Hubs
Networking Fundamentals
PUBLICHow the internet actually works — IP, DNS, ports, and the plumbing everything else sits on.
Web Security
RESTRICTEDHow common web vulnerabilities work, from injection to broken auth.
OSINT
RESTRICTEDWhat information about people and organizations is publicly discoverable, and how.
Pentesting Tools
CLASSIFIEDHands-on with nmap, Burp Suite, Metasploit, Wireshark, and the rest of the toolbox.