"Network and System Security" provides focused coverage of network and system security technologies. It explores practical solutions to a wide range of network and systems security issues. The chapters are authored by leading experts in the field and address the immediate and long term challenges in the authors' respective areas of expertise. The coverage includes building a secure organization; cryptography; system intrusion; UNIX and Linux security; internet security, intranet security; LAN security; wireless network security; cellular network security, RFID security; and, more. The chapters are contributed by leaders in the field covering foundational and practical aspects of system and network security, providing a new level of technical expertise not found elsewhere. The comprehensive and updated coverage of the subject area allows the reader to put current technologies to work. It presents methods of analysis and problem solving techniques, enhancing the reader's grasp of the material and ability to implement practical solutions.