WINDOW ACCESS CONTROL SYSTEM: ITS DESIGN AND IMPLEMENTATION
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WINDOW ACCESS CONTROL SYSTEM: ITS DESIGN AND IMPLEMENTATION
WINDOW ACCESS CONTROL SYSTEM: ITS DESIGN AND IMPLEMENTATION Introduction
In computer security, window access control (WAC) 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 such as files,
directories, TCP/UDP ports, shared memory segments, input and output
devices etc. Subjects and objects each have a set of security
attributes.
Whenever a subject attempts to access an object, an authorization
rule enforced by the operating system kennel examines these security
attributes and decides whether the access can take place. Any operation
by any subject on any object will be tested against the set of
authorization rules (aka policy) to determine if the operation is
allowed. According to Pete Sclafani (2002), database management system,
in its access control mechanism, can also apply window access control.
With window access control, this security policy is centrally
controlled by a security policy administrator. Users do not have the
ability to override the policy to grant access to files that would
otherwise be restricted. By contrast, discretionary access control
(DAC), which also governs the ability of subjects to access objects,
allows users the ability to make policy decisions or assign security
attributes. WAC-enabled systems allow policy administrators to
implement organization-wide security policies. Unlike with DAC, users
cannot override or modify this policy, either accidentally or
intentionally. This allows security administrators to define a central
policy that is guaranteed (in principle) to be enforced for all users.
According to Barkley J., (1997) MAC has been closely associated with
multi-level secure (MLS) systems. The Trusted Computer System
Evaluation Criteria (TCSEC), the seminal work on the subject which is
often referred to as the "Orange Book", defines WAC as "a means of
restricting access to objects based on the sensitivity (as represented
by a label) of the information contained in the objects and the formal
authorization (i.e., clearance) of subjects to access information of
such sensitivity". Early implementations of WAC such as Honeywell's
SCOMP, USAF SACDIN, NSA Blacker, and Boeing's MLS LAN focused on MLS to
protect military-oriented security classification levels with robust
enforcement. Originally, the term WAC denoted that the access controls
were not only guaranteed in principle, but in fact. Early security
strategies enabled enforcement guarantees that were dependable in the
face of national lab level attacks. More recently, with the advent of
implementations such as SELinux (incorporated into Linux kernels,
Window Integrity Control (incorporated into Windows Vista and newer),
and window schemes derived from the FreeBSD WAC Framework in OS, iOS,
and Junos, WAC has started to become more mainstream and is evolving
out of the MLS niche. These more recent WAC implementations have
recognized that the narrow TCSEC definition, focused as it was on MLS,
is too specific for general use Cavale M., and McPherson D., (2003).
These implementations provide more depth and flexibility than earlier
MLS-focused implementations, allowing (for example) administrators to
focus on issues such as network attacks and malware without the rigor
or constraints of MLS systems.
TABLE OF CONTENTS
Title Page
Certification
Dedication
Acknowledgement
Abstract -
Table of Contents
CHAPTER ONE – INTRODUCTION
1.0 Introduction
1.1 Theoretical Background
1.2 Statement of Problem
1.3 Aims and Objectives of the Study - - - -
1.5 Scope of the Study - - - - -
organization of the Research - - - - -
1.7 Definition of Terms - - - - - -
CHAPTER TWO: LITERATURE REVIEW
2.0 Introduction -
- - - - - -
2.1 Concept of Windows Access Control - - - -
2.2 Types of Windows Access Control - - - -
2.2.1 Policies, Models and Mechanism - - - -
2.3 Windows Account Overview - - - - -
2.4 Logical Model of Access-Control Interaction - - -
2.4.1 Security Bugs Found - - - - - -
2.5 Access Control List (ACL) and Limitation - - -
CHAPTER THREE: SYSTEM DESIGN AND ANALYSIS
3.0 Introduction - -
- - - - - -
3.1 Research Methodology - - - - - -
3.2 System Analysis - - - - - - -
3.2.1 Analysis of the Existing System - - - -
3.2.2 Problem of the Existing System - - - - -
3.2.3 Analysis of the Proposed System - - - -
3.2.3.1 Advantages of the Proposed System - - -
3.2.3.2 Disadvantages of the Proposed System - -
3.3 System Design - - - - - - -
3.3.1 Input Layout - - - - - - -
3.3.2 Program Flowchart - - - - - -
3.3.3 Output Format - - - - - - -
CHAPTER FOUR - SYSTEM IMPLEMENTATION AND DOCUMENTATION
40 Introduction - - - - - - -
4.1 System Design Diagram - - - - - -
4.2 Choice of Programming Language - - - -
4.3 Analysis of Modules - - - - - -
4.4 Programming Environment - - - - -
4.4.1 Hardware Requirement - - - - - -
4.4.2 Software Requirement - - - - - -
4.5 Implementation - - - - - - -
CHAPTER FIVE – SUMMARY, CONCLUSION AND
RECOMMENDATION
5.0 Introduction - -
- - - - - -
5.1 Constraints of the Study - - - - - -
5.2 Summary - - - - - - - -
5.3 Conclusion - - - - - - - -
5.4 Recommendations - - - - - - -
References - - - - - - - -
Appendix A (Program Flowchart) - - - -
Appendix B (Source Code) - - - - -
Appendix C (Output Format) - - - - -
WINDOW ACCESS CONTROL SYSTEM: ITS DESIGN AND IMPLEMENTATION
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In computer security, window access control (WAC) 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 such as files, directories, TCP/UDP ports, shared memory segments, input and output devices etc. Subjects and objects each have a set of security attributes. .. computer science project topics
WINDOW ACCESS CONTROL SYSTEM: ITS DESIGN AND IMPLEMENTATION