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Attacks on
computer by outside intruder are more publicized but the ones perpetrated by
insiders are very common and often more damaging. Insiders represent the
greatest threat to computer security because they understand their
organization’s business and how their computer systems work. They have both the
confidentiality and access to perform these attacks. An inside attack will have
a higher probability of successfully breaking into the system and extracting
critical information. The insiders also represent the greatest challenge to
securing the company network because they have authorized level of access to
the file system.
In a quest for
maximum profitability in a network, there is need to monitor the activities
performed such that the network activity in a real time would be tracked,
confidential information safeguarded and control over the daily activities of
every staff established. The question is: which and how would one develop the
so much needed system that would exhibit all these potentialities?
activity monitoring system is used to detect inside threats by monitoring file
access and process activity (Behr et al, 2009). It is a powerful tool that
allows one to track any local area network, giving you the most detailed
information on when, how and what your network users do on daily basis. If it
is a library public network, university or commercial organization network,
Activity Monitor offers efficient control. This work targets the monitoring of
every activity of a user in a computer network and maximizes the security for
the organization or corporate body.
The Federal
Inland Revenue service (FIRS) is one of the federal ministries charged with the
responsibility of accessing, collecting, and accounting for the various taxes
to the federal government since 1943.
Tax revenue
has been reliable from time, from where government rely for decision making,
and aids for development and administrative planning, hence the need for
optimum human resource of the organisation or ministry; for it’s considered to
be their most valuable asset if properly harnessed and are well motivated to
perform their assigned tasks so as to enhance the organisations goals and
network activity monitoring system has become one of the vital tools in
providing evidence in cases such as computer misuse and fraud. Computers and
other devices are being used increasingly to commit, enable or support unwanted
activity perpetrated against individuals, organizations or assets. Although it
is most often associated with the investigation of a wide variety of computer
crime, network activity monitoring system may also be used in civil
proceedings. The discipline involves similar techniques and principles to data
recoveryand a lot of information is retained on the computer than most people
realize. It’s also more difficult to completely remove information than it is
generally thought. For these reasons (and many more), network activity
monitoring system can often find evidence or even completely recover lost or
deleted information, even if the information was intentionally deleted.
This system
consist of two tier application – server and client whereby the activity
monitoring server can be installed in any computer in the entire local area
network and the client which is the remote spy software is installed on all the
computers on the network to be monitored.
The existing
system used by FIRS has been a challenge to them. Amongst the problems
affecting the FIRS from maintaining a steady reliable accounting figures and
estimates are:-
With the current system, staffs easily erase or add data in
order to cover up their fraud since there is no back up of the activity log.
Frauds like computer fraud: – loss or damage to money, securities resulting
directly from the use of any computer to fraudulently cause a transfer of money
or other property from inside the premises to a personat a place outside the
Their method
of operation is not so efficient for both units in the department (Operations
and Reconciliation units).Both units cannot work at the same time, and this is
because the staffs in one of the unit (reconciliation unit) has to wait for the
staffs in the other unit (operation unit) to get their work to some extent
before they can process their own work, and while they are processing their own
work, the staffs in the operation unit has to pause their work a little,and
with this manual of operation in the department, rooms for corporate fraud is
being created.
These are the
more reasons, why the researcher embarked on this research
This project
targets towards discovering what should be done to improve the existing system,
monitoring the daily activities of every user in a network and using it to
provide evidence to frauds or crimes committed using computer technology which
some people referred to as digital crime; that is crime committed using a
computer system.
The objective
of this work is to develop a system that should be able to;
1. Monitor the daily activities of every user in a network in
real time.
2. Detect active users.
3. Provide accurate evidence on corporate fraud when
investigation is being carried out in an organization.
4. Has a good
memory management for efficient carrying out of activities.

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