Mike Chapple, PhD, CISSP, CCSP, is a teaching professor of IT, analytics, and operations at the University of Notre Dame. He is a cybersecurity professional and educator with over 25 years experience including as chief information officer of Brand Institute and an information security researcher with the National Security Agency and the U.S. Air Force. Mike is the author of more than 200 books and video courses and provides cybersecurity certification resources at CertMike.com.

James Michael Stewart, CISSP, has been writing and training for more than 25 years, with a focus on security. He has been teaching CISSP training courses since 2002, not to mention other courses on Internet security and ethical hacking/penetration testing. He is the author of and contributor to more than 80 books on security certification.

Darril Gibson, CISSP, (1958-2022) was the CEO of YCDA, LLC and regularly wrote and consulted on a wide variety of technical and security topics and held numerous other security certifications. He authored or coauthored more than 30 books including multiple prior editions of the CISSP Study Guide.