John Stauffacher (@g33kspeed) is a Senior Security Consultant with the Accuvant Labs Technology Services team where he performs perimeter, network and application security defense projects for clients. As part of the Technology Services team, John's core function is to provide expert level consultation to clients as well as deliver training and knowledge enrichment. John has held high level technical certifications with major security vendors and is considered an expert in the field of perimeter security. John has also been a lead contributor to open source security projects, as well as an active speaker at conferences and author of a number of titles on the topic of network and perimeter security. John has carried an active CISSP certification since 2004.