Network Security: Literature Review and Possible Solutions

This article provides a literature review on network security in healthcare networks, discussing routers, switches, firewalls, and current security issues such as computer viruses and Trojan horses. It also suggests possible solutions such as firewalls, intrusion prevention, and malware detection/prevention.

Running head: Network Security 1
Network Security
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Institution
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Literature Review
Key parts of development progression are thusly associated with learning through use and
the setting execution [1]. While the inspirations to outline prosperity frameworks vary, most
goals can be taken after to two focus purposes: cost-saving and quality change. Various sorts of
prosperity frameworks can be perceived in the composition, anyway, some are for the most part
new (e.g., Morals Networks) and are less normal than others. Consolidated prosperity
frameworks, which contain different sorts of affiliations, are winding up continuously essential
as frameworks work to address a more conspicuous combination of social protection demands.
Among prominent solicitations, prosperity information development accepts a critical
activity in the execution of prosperity change and positions more significant difficulties for
common providers. With later prosperity change laws, health care providers will likely depend
more on prosperity frameworks to support meet prosperity information development necessities
[2]. Framework orders, for instance, vertical and level are adequately seen by those included
with prosperity frameworks. In any case, the composition on prosperity frameworks has also
conveyed gathering designs that are not booming or are clearly dull. In this paper, our attention
on its things are the switches, switches and the firewalls.
Routers
This is the principal gadget in any given network system that ensures the availability of
web services [3]. It is located in between the Internet Service Provider and figures out which
organize activity ought to be gone through to the ISP (web) versus which movement ought to
stay in your system.

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Switches
Most switches don't have steering abilities and are just utilized inside a system. They
encourage PCs and other system gadgets speak with one another [4]. Since gadgets inside a
similar system are on the same "subnet".
Firewalls
Dissimilar to routers and switches, firewalls are organized security machines. There are
two sorts of equipment firewalls: edge firewalls and inside firewalls [5]. Most small systems
normally have simply edge equipment firewalls, which control get to and secure nearby systems
from the outside world.
Developments in healthcare networks
Most of the healthcare activities such as the imaging X-rays and more other facilities
possess a clear as a result of the improved technology level. The advances in this provide
adequate health care services to the personnel.
Importance of security
The main concern of a network security in any available healthcare management is the
privacy. Most of the patient’s records should be made private and confidential at all times. No
information should be exposed to an intruder at any given scenario. Apart from this, the
healthcare should be secure in that it will save on the cost of maintenance and recovering from
an attack.
Current security issues in Healthcare Networks.
Computer virus:

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The computer virus is a malevolent computer's software that gets stacked into a computer
and once it establishes itself, it can perform several harmful activities on the client's computer
[7]. The creation of this virus is by the matter of duplication whereby the virus severally
duplicates itself in many other computer programs and spreading throughout especially within
the computer boot area. Email attachment upon openings can be a source of the spread of the
virus. Another section where the virus can get a way out is the executable files.
On the other hand, a computer virus can also be spread through the use of the removable
gadgets such as the USB drives [13]. Through this, once the virus has got access to the host
computer, some other software frameworks are put in a risk, erasing of information, encoding of
data and duplication takes place hence affecting the computer to a level where its operation
becomes very low.
Stay up with the latest updates:
Clients are advised to empower programmed refreshes on their Windows PCs
notwithstanding running updates for projects, for example, Adobe and Java [10]. A considerable
lot of these updates incorporate security fixes that will fill security gaps in the Windows
framework.
Installing anti-virus basics: It's imperative to have a quality enemy of infection introduced on
your Windows PC. While a decent enemy of infection is critical, having more than one is an
awful thought. Against infection, applications are just compelling when they have a la mode
meanings of what an infection is. Therefore, make sure your enemy of infection program
refreshes naturally and at a sensible time.
Trojan horse:

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This is any noxious PC program which misdirects clients of its actual aim. It covers up
malware in a typical looking record [8]. Once the Trojan approaches your PC, it can do pretty
much anything, however, the larger part of these kinds of malware hope to increase finish control
of your PC. This implies anything you do on the PC gets recorded and sent to a server indicated
by the Trojan. This can be particularly hazardous in the event that you utilize your PC for money
related exchanges, as the Trojan will send your charge card or keeping money data to individuals
looking to either utilize it or offer it.
Aversion
The best practice of controlling this Trojan horse is by keeping recent updates. The
working frameworks should be kept in the recent updates. All the gaps that seem to allow the
entrance of the Trojan horse should be monitored such that none is allowed to proceed to the
computer system [9]. Despite the fact that the manufacturers do consider the threat, in most
cases, the Trojan horse comes in a variety of ways which should be updated regularly in ode rot
control their flow in the computer system. A working firewall should also be put into place in
order to keep all the internet connection in a safe manner and very secure. This will help in
preventing the downloads of the Trojan horses into the computer systems.

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Possible solutions
1. Firewall
Firewalls are the network system’s security and they are completely still required for a
strong security plan. Best practice is to permit just required system access and square all other
association endeavors. This constrains your presentation chance and keeps non-basic ports from
being utilized for malevolent purposes [14]. Being a software resulting from programming, the
firewall provides an authority to the guideline arrangement of what exactly, in terms of
information should be allowed to enter the computer system or leave at a given time.
Consolidation is done within the firewall to give an assortment of wide gadgets arranged together
to arrange all the information flow hence reducing the level of hazard in which the malignant
packets could reach the people within the general atmosphere hence posing a threat to the private
systems.
2. Intrusion Prevention (IPS)
Intrusion detection and protection is yet but another innovation in which a system is
protected against some risk [6]. Its major concern is strengthening the weak points in which
intruders can enter into the system. Helplessness attackers more often than not come as noxious
contributions to a mission of planned administration into a system and hindering the users upon
gaining access control.
3. Malware Detection/Prevention
Malware is the component that permits the majority of the present day assaults to occur.
Once an inside machine is contaminated with malware, it opens up the second passage into the
organization which can sidestep the majority of your other safety efforts. Malware should be

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recognized before contaminating a machine, if conceivable [12]. On the off chance that a
machine is contaminated, it is basic to comprehend the reason, and what the machine has done
since that point. There must be a system set up to characterize new malware, and stop its spread
inside your condition. Malware Prevention can be organized based, end-point based, or a blend
of the two.
Network-Based Malware Prevention:
This apparatus examines movement crossing your system and can square known
malware. The machine needs to see the system activity, so its situation on the system is basic. It
is ordinarily observed on the Internet edge, and furthermore inside the server farm.
End-point based Malware Prevention:
This is a programmed application introduced on the end-point which can see the
movement to and from the machine [11]. It squares known malware from being run and
furthermore tracks what obscure applications due to the framework. In the event that the obscure
application is later delegated malware, you have a comprehension of what the malevolent code
has done, which will be useful in remediating the machine.

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References
[1] J. Siltaloppi, & M. Toivonen.” Integration of planning and execution in service innovation”. The Service
Industries Journal, 35(4), 2015 pp.197-216.
[2] K. V Krishna, M. V. Rao, G. V& Murthy. “Secured System Design for Big Data Application in Emotion-
Aware Healthcare” (2017).
[3] Kloth, A. K. Advanced Router Architectures. CRC Press, 2015 pp.3-18.
[4] A. N Meyer, L. E. Barton, G. C. Murphy, T. Zimmermann, &T. Fritz "The work life of developers:
Activities, switches, and perceived productivity". IEEE Transactions on Software Engineering, 43(12),
2017 pp.1178-1193.
[5] C. V. Sreevathsa, K. K Daina, K. L. Hemalatha, &K. Manjula. “Increasing the performance of the
firewall by providing customized policies". In Applied and Theoretical Computing and Communication
Technology (ICAC), 2016 2nd International Conference, 2016 pp. 561-564. IEEE.
[6] O. Rodas, M. A. ToJ. Alvarez, & S. Maag ” Protecting Wireless Mesh Networks through a distributed
intrusion prevention framework”. In Communications (LATINCOM), 2015 7th IEEE Latin-American
Conference, 2015 pp. 1-6. IEEE.
[7] M. Ludwig & D. Noah. The giant black book of computer viruses. “American Eagle Books”(2017).
[8] D. Simberloff, C. Murcia, & J. Aronson. Novel ecosystems” are a Trojan horse for
conservation”. ENSIA, 2015 pp.47-350.
[9] G. Schönrich, & M.J Raftery.” Dendritic cells as Achilles' heel and Trojan horse during varicella-zoster
virus infection”. Frontiers in microbiology, 6, 2015 pp.417.
[10] J.P Dubaut, N. I. A. Higuita, &A. M.Quaas. “Impact of Zika virus for infertility specialists: current
literature, guidelines, and resources". Journal of assisted reproduction and genetics, 34(10), 2017
pp1237-1250.
[11] G. Barak. U.S. Patent Application No. 15/492,338, 2017.

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[12] K.S Namjoshi, & G.J Narlikar. U.S. Patent No. 9,083,731. “Washington, DC: U.S. Patent and
Trademark Office”, 2015 pp.22.
[13] D.P Duncan, & D.B Farmer". U.S. Patent No. 9,053,321. Washington, DC: U.S.” Patent and
Trademark Office”, 2015 pp.45.
[14] D. Basak, R. Toshniwal, & A. Sequeira. U.S. Patent No. 9,621,516. Washington, DC: U.S. Patent and
Trademark Office, 2012.