This book presents a review of perspectives on information security. It contains the selected proceedings of the Eleventh International Information Security Conference, arranged by the International Federation for Information Processing and held in Cape Town, South Africa, May 1995. This text examines the information security requirements of the next decade from both research, industrial and practical viewpoints. Some of the major topics discussed include: information security and business applications; information security standards; management of information security; cryptography, key management schemes and mobile computing; information security and groupware; building secure applications; open distributed security; access control; legal, ethical and social issues of information security. The book aims to cover the complete spectrum of information security as fully as possible. It should be useful reading for students, researchers, specialists and EDP managers working in Information Security.