For one-semester, undergraduate- or graduate-level courses in Cryptography, Computer Security, and Network Security A practical survey of cryptography and network security with unmatched support for instructors and students In this age of universal electronic connectivity, viruses and hackers, electronic eavesdropping, and electronic fraud, security is paramount. This text provides a practical survey of both the principles and practice of cryptography and network security. First, the basic issues to be addressed by a network security capability are explored through a tutorial and survey of cryptography and network security technology. Then, the practice of network security is explored via practical applications that have been implemented and are in use today. An unparalleled support package for instructors and students ensures a successful teaching and learning experience. Teaching and Learning Experience To provide a better teaching and learning experience, for both instructors and students, this program will: *Support Instructors and Students: An unparalleled support package for instructors and students ensures a successful teaching and learning experience. *Apply Theory and/or the Most Updated Research: A practical survey of both the principles and practice of cryptography and network security. *Engage Students with Hands-on Projects: Relevant projects demonstrate the importance of the subject, offer a real-world perspective, and keep students interested.