A Review Paper on Information Security and Cryptography

Abstract

Security is a state of being secure free from danger. Information security is a practice of defending digital information from unauthorized access. Information security's main objective is to balance the protection of data- availability, integrity and confidentiality by focusing on policy implementation and without effecting the productivity of the organization. Information Security is a multidisciplinary area and proficient field concerned with the development and growth of security techniques to locate information within the systems properly. In Information Systems, threat free data is created, processed, stored, transmitted and destroyed. Threats are considered as a sign of danger to the secured information. Certain security aims are defined to the respective categories. Set of security objectives should be brush up every so often to confirm its suitability, conformity, adequacy and uniformity with the growing situation. At this time, the set of security objectives consist of availability, confidentiality, authenticity, audit-ability, trustworthiness, accountability, non-repudiation, integrity and privacy.