Mark Grimes is a network security researcher whose focus is primarily on enterprise wide, multi-layered network threat, the study of TCP/IP packet pattern analysis, and the interest of machine learning and expert systems. Mark is best known for Nemesis, an eight protocol packet crafting tool suite. There are a number of articles and misc. tools, as well as the concept slides/video of the initial Intravenous concept available at http://www.packetninja.net/ Mark Grimes is currently the Red Team Network Security and Forensics Lead for a Fortune 300 company. He has been the security lead of many high profile commercial, government and military contracts. Mark is also a developer for the ultra secure, multi-architecture OpenBSD Project led by Theo De Raadt.