1.1 Introduction
Migration is a decision that impacts the welfare of the household, the home community, and in the end the whole economy in various ways (Azam and Gubert, 2006). It is the geographic movement of people across a specified boundary for the purpose of establishing a new permanent or semi-permanent residence. (Hopkins, 2006) In computer security, Migration Security Window Access control (MSAC) refers to a type of access control which the operating system (OS) constrains the ability of a subject or initiator to access or generally perform some sort of operation on an object or target. In practice, a subject is usually a process or thread; objects are constructs. Subjects and objects each have a set of security attributes. The access control decision is enforced by a mechanism implementing regulations established by a security policy. Migration Security Window Access control is concerned with determining the allowed activities of legitimate users, sensitivity level and the clearance level of the user accessing the system (Hu et al., 2006).
As a prelude to other parts of this study, this chapter will discuss the background upon which this study was initiated, the statement of problems that led to this study, the Aim and Objectives of the study. Others are Significance of the study, Scope of work, Limitations of the Study and Definition of technical terms.
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