This book focuses on specific problems and solutions. It explains the many ways that LANs, including client-server databases, electronic mail and telecommunications systems, have multiplied the security concerns of corporate information managers. Hands-on hardware, software and online access requirements are described in detail, with emphasis on planning for and managing LAN security risks. Topics covered include: defining and identifying threats; preventitive and corrective control methods; managing risk - cost/benefit analysis; administrative and organizational security; software validation and security; applying hardware and software controls; and future LAN security risks. Real-world examples and security checklists are also included.