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COMPUTER BASED SECURITY AND MONITORING SYSTEM FOR FORENSIC EXPERTS 2

CHAPTER ONE 
INTRODUCTION 
1.1 BACKGROUND OF THE STUDY 
The world is becoming a smaller place in which to live and work. A 
technological revolution in communications and information exchange has 
taken place within business, industry and homes. Most developed and 
developing countries are substantially more invested in information processing 
and Management than manufacturing goods, and this has affected their 
professional and personal lives.  We bank and transfer money electronically 
and we are much more likely to receive an E-mail than a letter. It is estimated 
that the worldwide internet population is 349 million (Commerce Net Research 
Council 2000). 
 In this information technology age, some traditional crimes especially those 
concerning finance and commerce, continue to be upgraded technologically. 
Crimes associated with theft and manipulations of data are detected daily. 
Crimes of violence also are not immune to the effects of the information age. A 
serious and costly terrorist act could come from the internet instead of a truck 
bomb. The diary of a serial killer may be recorded on a floppy disk or hard 
disk drive rather than on paper in a notebook.  Just as the workforce has 
gradually converted from manufacturing goods to processing information, 
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criminal activity has to large extent also converted from physical dimension. 
There calls a need for computer forensic experts and computer based 
monitoring and security system for easy capture of evidence of intruder who 
compromises a network or computer.  
This project dealt with the design and implementation of a computer based 
security and monitoring system for forensic experts, an ideal way for tracking 
the activities of an account user and also for recovering digital evidence of 
crime committed in a computer system. 
1.2 STATEMENT OF THE PROBLEM 
With the evolution of computer and the internet which has made the world a global 
village, so has criminals also taken advantage of this technological advancement to 
engage in different forms of cyber crime ranging from terrorism, internet fraud to 
the release of sophisticated viruses which is difficult to trace the perpetrators due to 
lack of sophisticated software that can retrieve information of such activities.  This 
led to the design of a computer based security and monitoring system for forensic 
experts which will help in tracking the activities of internet users and for recovery 
of digital evidence of crime committed in a computer system.   
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1.3  OBJECTIVES OF STUDY 
The objectives of this system are to: 
(i) Design and implement a computer based security and monitoring 
system for forensic experts. 
(ii) Realize a system for capturing, collecting, analyzing, preserving and 
presenting evidence of computer crime in an acceptable manner.  
1.4    SIGNIFICANCE OF THE STUDY 
This application when implemented will be able to monitor the activities of a 
computer user by taking screenshots of internet activities, process capture and 
capture the content of the index.dat file which will help forensic expert with 
substantial evidence to prosecute cyber criminals.  
1.5 SCOPE OF STUDY 
This project is designed to monitor the activities of computer users to investigate 
and fish out cyber criminals. The project employed Java programming language in 
ensuring the design and implementation of a Computer Based Security and 
Monitoring system that will aid forensic experts in their investigations and 
prosecution of criminals.  
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1.6     LIMITATIONS OF THE STUDY 
Most people see security and monitoring systems as an intrusion of people‟s 
privacy.  
 A major setback of computer forensics is presentation of evidence in a way 
that is admissible to the law court that is the Computer Forensic Analyst 
presenting it in a way to show that it was not tampered with. 
Another limiting factor is that the programming language (JAVA) used to 
implement the system is case sensitive sometimes in JAVA, An executing 
program may want to divide by zero, and this will display an error message. 
Run time errors can come up as program runs during the process of 
programming with JAVA. Fatal runtime error can occur causing the program to 
terminate without successfully completing its job.  Java programs tend to 
execute slowly because the JAVA virtual machine would execute and interpret 
one byte code at a time.       
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1.7 DEFINITION OF TERMS 
 E-mail – Electronic mail: Electronic mail, most commonly referred to as 
email or e-mail since approximately 1993, is a method of exchanging digital 
messages from an author to one or more recipients. Modern email operates 
across the Internet or other computer networks. 
 CF – Computer Forensic: Computer forensics is the application of 
investigation and analysis techniques to gather and preserve evidence from a 
particular computing device in a way that is suitable for presentation in a 
court of law. The goal of computer forensics is to perform a structured 
investigation while maintaining a documented chain of evidence to find out 
exactly what happened on a computing device and who was responsible for 
it. 
 PC – Personal Computer: A personal computer (PC) is a general-purpose 
computer, whose size, capabilities, and original sale price makes it useful for 
individuals, and which is intended to be operated directly by an end-user 
with no intervening computer operator. 
 GUI – Graphic User Interface:  Graphical user interface (GUI, sometimes 
pronounced 'gooey') is a type of user interface that allows users to interact 
with electronic devices using images rather than text commands. 
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 DOS – Disk Operating System: Disk Operating System (specifically) and 
disk operating system (generically), most often reveal themselves in 
abbreviated as DOS, refer to an operating system software used in most 
computers that provides the abstraction and management of secondary 
storage devices and the information on them (e.g., file systems for 
organizing files of all sorts). 
 OS – Operating System: An operating system (OS) is a collection of 
software that manages computer hardware resources and provides common 
services for computer programs. The operating system is a vital component 
of the system software in a computer system. Application programs usually 
require an operating system to function.   

This Project Material Cost Only ₦4000.00

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