James Michael Stewart has been working with computers and technology for nearly thirty years. His work focuses on security, certification, and various operating systems. Recently, Michael has been teaching job skill and certification courses, such as CISSP, ethical hacking/penetration testing, computer forensics, and Security+. Michael holds a variety of certifications, including Security+, CISSP, CEH, CHFI, CPTE, CDFE, Q/SA, and Q/EH. Michael holds a bachelor's degree in Philosophy. Source: [O'Reilly.com](https://www.oreilly.com/pub/au/5642)