Mr. Stephen Kalman is a data security trainer. He is the author or tech editor of more than twenty books, courses, and CBT titles. His most recent book is Web Security Field Guide, published by Cisco Press. In addition to those responsibilities he runs a consulting company, Esquire Micro Consultants, which specializes in network security assessments and forensics. Mr. Kalman holds SSCP, CISSP, ISSMP, ISSAP, CISM, CEH, CHFI, CCNA, CCSA (Checkpoint), A+, Network+ and Security+ certifications and is a member of the New York State Bar.