Aaron is a principal security consultant at Cypress Data Defense and an instructor and contributing author for the DEV544 Secure Coding in .NET course. After ten years in the U.S. Army as a Russian Linguist and a Satellite Repair Technician he worked as a database administrator and programmer on the Iridium project, with subsequent positions as a telecommunications consultant, senior programmer, and security consultant. He also has experience developing security tools, performing secure code reviews, vulnerability assessments, and penetration testing, as well as risk assessments, static source code analysis, and security research. Aaron holds the GIAC GSSP-.NET, GWAPT, GMOB, and CISSP certifications and is located in Arvada, CO. Outside the office Aaron enjoys boating, travel, and playing hockey.