Mike Chapple, PhD, CISSP, is an author of the best-selling CISSP (ISC)2 Certified Information Systems Security Professional Official Study Guide (Sybex, 2021), now in its ninth edition. He is an information security professional with two decades of experience in higher education, the private sector, and government.
Mike currently serves as Teaching Professor of IT, Analytics, and Operations at the University of Notre Dame's Mendoza College of Business. He previously served as Senior Director for IT Service Delivery at Notre Dame, where he oversaw the information security, data governance, IT architecture, project management, strategic planning, and product management functions for the university.
Before returning to Notre Dame, Mike served as Executive Vice President and Chief Information Officer of the Brand Institute, a Miami-based marketing consultancy. Mike also spent four years in the information security research group at the National Security Agency and served as an active duty intelligence officer in the U.S. Air Force.
He is a technical editor for Information Security Magazine and has written 20 books, including Cyberwarfare: Information Operations in a Connected World (Jones & Bartlett, 2015), CompTIA Security+ Training Kit (Microsoft Press, 2013), and CompTIA Cybersecurity Analyst+ (CySA+) Study Guide (Wiley, 2017) and Practice Tests (Wiley, 2018).
Mike earned both his BS and PhD degrees from Notre Dame in computer science and engineering. He also holds an MS in computer science from the University of Idaho and an MBA from Auburn University. His IT certifications include the CISSP, Security+, CySA+, CISA, PenTest+, CIPP/US, CISM, CCSP, and PMP credentials.
Mike provides books, video-based training, and free study groups for a wide variety of IT certifications at his website,
David Seidl, CISSP, is Vice President for Information Technology and CIO at Miami University. During his IT career, he has served in a variety of technical and information security roles including serving at the Senior Director for Campus Technology Services at the University of Notre Dame where he co-led Notre Dame's move to the cloud, and oversaw cloud operations, ERP, databases, identity management, and a broad range of other technologies and service. He also served as Notre Dame's Director of Information Security and led Notre Dame's information security program. He has taught information security and networking undergraduate courses as an instructor for Notre Dame's Mendoza College of Business and has written books on security certification and cyberwarfare, including co-authoring the previous editions of CISSP (ISC)2 Official Practice Tests (Sybex 2018) as well as CompTIA CySA+ Study Guide: Exam CS0-002, CompTIA CySA+ Practice Tests: Exam CS0-002, CompTIA Security+ Study Guide: Exam SY0-601, and CompTIA Security+ Practice Tests: Exam SY0-601 as well as other certification guides and books on information security.
David holds a bachelor's degree in communication technology and a master's degree in information security from Eastern Michigan University, as well as CISSP, CySA+, Pentest+, GPEN, and GCIH certifications.