A REVIEW PAPER ON INFORMATION SECURITY AND CRYPTOGRAPHY
Y. Durga Tejaswi · Wireless Network Security · 2018
Security is a state of being secure free from danger. security is a practice of defending digital information from unauthorized. security's primary focus is the balanced protection of the confidentiality, integrity and availability of data while maintaining a focus on efficient policy implementation, all without hampering organization productivity. Information Security is a multidisciplinary area of study and professional activity which is concerned with the development and implementation of security mechanisms of all available types in order to keep information in all its locations and, consequently, information systems, where information is created, processed, stored, transmitted and destroyed, free from threats. Threats to information and information systems may be categorized and a corresponding security goal may be defined for each category of threats. A set of security goals, identified as a result of a threat analysis, should be revised periodically to ensure its adequacy and conformance with the evolving environment. The currently relevant set of security goals may include: confidentiality, integrity, availability, privacy, authenticity & trustworthiness, non-repudiation, accountability and audit ability.