Publisher's Synopsis
Many companies are now almost totally dependent upon their communications networks to meet their business objectives. It is essential in such circumstances that the data transmitted over the networks is both protected from unauthorised users and available to authorised personnel when required.;This book, addressed to managers and others concerned with the modern communications environment, is intended to increase the general awareness of the need for security in a wide area of communications networks. Types of threats to network security and ways of countering them are examined. For example, topics covered include physical security, logical access controls, availability and resilience, encryption, and the activity of the modern "hacker".;With the rapid increase of communications facilities, and the growing trend towards integration of functions in the modern commercial environment, the topics discussed in this book are crucial to the success of corporate enterprise in the modern competitive climate.
