This is a brand new edition of the best-selling computer security book. Written for self-study and course use, this book will suit a variety of introductory and more advanced security programmes for students of computer science, engineering and related disciplines. Technical and project managers will also find that the broad coverage offers a great starting point for discovering underlying issues and provides a means of orientation in a world populated by a bewildering array of competing security systems.Comprehensive reference covering fundamental principles of computer securityThinking about security within the initial design of a system is a theme that runs through the bookA top-down approach.No active previous experience of security issues is necessary making this accessible to Software Developers and Managers whose responsibilities span any technical aspects of IT securityProvides sections on Windows NT, CORBA and Java