Advanced Instant NT Password Cracker Statistics: http://lasecpc13.epfl.ch/ntcrack/stats.php.
The Twilight Zone: Candid Conversations with a Real-Life Hacker: www.cisco.com/en/US/about/ac123/ac114/ac173/ac165/about_cisco_packet_netizen09186a00801143da.html.
Hacking Techniques: Introduction to Password Cracking: www-106.ibm.com/developerworks/security/library/s-crack/.
McClure, Stuart, Joel Scambray, and George Kurtz. Hacking Exposed: Network Security Secrets and Solutions, Fourth Edition . New York: McGraw-Hill Osborne Media, 2003.