A textbook for beginners in security. In this new first edition, well-known author Behrouz Forouzan uses his accessible writing style and visual approach to simplify the difficult concepts of cryptography and network security. This edition also provides a website that includes Powerpoint files as well as instructor and students solutions manuals. Forouzan presents difficult security topics from the ground up. A gentle introduction to the fundamentals of number theory is provided in the show more

"This book mainly covers the information security in wired networks. The chapter gives an outline of the concepts of information security,
including the sound approaches to the structure of appropriate security controls. Once this background is established, it is easy to follow rest
of the chapters. It is difficult to cover all the fundamentals in detail in this chapter. So for a clear understanding of these concepts are explained
with diagrams and examples"-- Provided by publisher