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. Chapters are authored by leading experts in the field and address the immediate and long-term challenges in the authors? respective areas of expertise. 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. This compilation of 13 chapters is tightly focused and ideally suited as an essential desk reference in this high-growth subject area.