Security in Computing

This book updates readers with all the tools techniques and concepts needed to understand and implement data security systems. It presents a wide range of topics for a thorough understanding of the factors that affect the efficiency of secrecy authentication and digital signature schema. The author contributed to the design and analysis of the Data Encryption Standard (DES) a widely used symmetric-key encryption algorithm. Security in Computing book offers timely coverage of all aspects of computer security including users software devices operating systems networks and data. Reflecting rapidly evolving attacks countermeasures and computing environments. In brief in includes elementary cryptography encryption VPN threats virus data recovery program security security in networks security in database security models and standards. This book is prepared for easy understanding of the learners about the basic concepts and the security.