Nmap Courses

DevOps for the Discouraged - Integrating Security into Continuous Delivery
OWASP Foundation via YouTube

Port Scanning the Hermit Kingdom - Or What NMAP Can Teach Us About Geopolitics
YouTube

Check Your Privileges - Futzing with File Shares for Low Hanging Fruit
YouTube

Kicking Ass With Nmap
YouTube

Nmap Class - OS and Service Fingerprinting Part 2
YouTube

Nmap Class - TCP IP and Basics of Nmap Part 1
YouTube

Nmap Class - TCP IP and Basics of Nmap Part 2
YouTube

Nmap Class - OS and Service Fingerprinting Part 1
YouTube

Privilege Escalation with the Metasploit Framework - Derbycon 2012
YouTube

Intro to Scanning - Nmap, Hping, Amap, TCPDump, Metasploit, etc.
YouTube