Tom Liston is the Principal Information Security Architect for Warner Brothers Entertainment. He is the author of the open-source network-protective software, LaBrea, which developed the idea of network "tarpitting" into usable software for trapping scanners and network-based malware. Tom is also an active incident handler for the SANS Institute's Internet Storm Center where he provides expertise in network security, reverse engineering of malicious software, and is a founding member of the ISC's malware analysis team. Tom has developed several security tools that have been both publicly released through the Internet Storm Center and used privately by network security personnel and virus researchers. He also spent ten years as a Senior Security Consultant for InGuardians, Inc., breaking into Fortune 500 organizations and assisting them with increasing their security. Additionally, he is the co-author (with Ed Skoudis) of the second edition of Counter Hack Reloaded: A Step-by-Step Guide to Computer Attacks and Effective Defenses.