Overview of Information System Security

Abstract

.The early 2000’s saw the explosive growth of Information Technology, computing devices, the internet and all sorts of information systems. Today there is no aspect of our lives that is yet untouched by these devices. Commerce, trade, transportation, communication, education all depend on information systems in more than a few ways. But more reliance on information technology also means greater importance of securing them against threats and risks. In this article we give an overview of information-system security and some of its basic tools and technologies.