Mike Chapple, Ph.D., Security+, is Senior Director for IT Service Delivery at Notre Dame overseeing information security, data governance, IT architecture, project management, strategic planning and product management functions and teaches undergraduate courses on Information Security. Mike spent 4 years in the information security research group at NSA and served as an intelligence officer in the U.S. Air Force. He is a technical editor for Information Security Magazine and has written several books. David Seidl, Security+, GPEN, GCIH is the Senior Director for Campus Technology Services at the University of Notre Dame. As the Senior Director for CTS, David is responsible for central platform and operating system support, database administration and services, identity and access management, application services, and email and digital signage. During his 18 year IT career, he has served in a variety of technical and information security roles including leading Notre Dame's information security team as Notre Dame's Director of Information Security. He currently teaches a popular course on networking and security for Notre Dame's Mendoza College of Business. Emmett Dulaney (Indianapolis, IN) is an Assistant Professor at Anderson University. He has written Sybex's CompTIA Security+ Study Guide, and co-authored CompTIA A+ Complete Deluxe Study Guide, CompTIA A+ Complete Study Guide, and CompTIA A+ Complete Review Guide. Chuck Easttom (Plano, TX), is CEO and Chief Trainer for CEC-Security, which specializes in IT security training and CISP and Security+ exam preparation. He has over 18 years in the IT industry, over 10 years teaching/training. He has authored 15 published books, including IT security.