Mike Chapple, PhD, CISSP, is teaching professor of IT, analytics, and operations at the University of Notre Dame’s Mendoza College of Business. In the past, he was chief information officer of Brand Institute and an information security researcher with the National Security Agency and the U.S. Air Force. His primary areas of expertise include network intrusion detection and access controls. Mike is a frequent contributor to TechTarget’s SearchSecurity site and the author of more than 25 books including: CISSP Official (ISC)² Practice Tests, the CompTIA CySA+ Study Guide, and Cyberwarfare: Information Operations in a Connected World. Mike offers study groups for the CISSP, SSCP, Security+, and CySA+ certifications on his website at www.certmike.com.