Here's a list of the various video resources that our members might find useful in their learning

Kerberos Explained in 3 levels of Detail (Courtesy if idigitalflame)

Unleashing Nessus: The Ultimate Scanner for Penetration Testing (Courtesy of Randolph)

Nmap Tutorial to find Network Vulnerabilities (Courtesy of Randolph)

Hacker hunting with Wireshark (even if SSL encrypted!) (Courtesy of Randolph)