SEAN-PHILIP ORIYANO has been actively working in the IT field since 1990. Throughout his career, he has held positions such as support specialist to consultants and senior instructor. Currently, he is an IT instructor who specializes in infrastructure and security topics for various public and private entities. Oriyano has instructed for the U.S. Air Force, Navy, and Army at locations both in North America and internationally. Sean is certified as a CISSP, CHFI, CEH, CEI, CNDA, SCNP, SCPI, MCT, MCSE, and MCITP, and he is a member of the EC-Council, ISSA, the Elearning Guild, and Infragard.

MICHAEL GREGG brings more than 20 years of experience building real security solutions and driving strategic development. He is a cybersecurity expert focused on IT networks and security assessments. His written works in the field of IT security include authoring or coauthoring 14 security books. Some of these titles include: Hack the Stack (Syngress); Security Street Smarts (Sybex); CISSP Exam Cram 2, CISSP Exam Cram 2 Questions Edition, and The Certified Ethical Hacker Exam Prep 2 (Que). He also authored Inside Network Security Assessment (Sams Publishing), Build Your Own Network Security Lab (Wiley), and The Certified Information Security Auditor (CISA) Exam Prep (Que). Gregg holds two associate's degrees, a bachelor's degree, and master's degree.