This talk will focus on how to exploit a network by targeting the various first hop protocols. Attack vectors for crafting custom packets as well a few of the available tools for layer 2 network protocols exploitation will be covered. Defensive mitigations and recommendations for adding secure visualization and instrumentation for layer 2 will be provided. Paul Coggin works as an Information Security Engineer. His expertise includes tactical, service provider, and ICSSCADA network infrastructure attacks, and defenses, as well as large complex network design and implementation. His experience includes leading network architecture reviews, vulnerability analysis, and penetration testing engagements for critical infrastructure and tactical networks. Paul is a Cisco Systems certified Instructor #32230, certified EC-Council instructor, and certified SCADA security architect. He has a bachelor's degree in mathematics, a master's in computer information systems, and a master's in information assurance and security. In addition he holds a wide array of certifications from Cisco, SANS, EC Council, ISC^2, and others.