conclusion computer virus essay

Essay on Computer Virus

Students are often asked to write an essay on Computer Virus in their schools and colleges. And if you’re also looking for the same, we have created 100-word, 250-word, and 500-word essays on the topic.

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100 Words Essay on Computer Virus

What is a computer virus.

A computer virus is a bad program that can copy itself and spread to other computers. It can damage your computer’s normal work, delete files, or steal information. Just like a cold virus makes people sick, a computer virus harms computers.

How Do Viruses Spread?

Viruses spread when you download infected files, click on bad links, or use USB drives with the virus. They can come from the internet or from other computers that already have the virus.

Protecting Your Computer

To keep your computer safe, use antivirus software. It’s like a medicine that finds and removes viruses. Also, don’t click on unknown links or download files from untrusted websites.

250 Words Essay on Computer Virus

A computer virus is a type of bad software. It is like a flu virus for computers. Just as a flu virus can spread from one person to another, a computer virus spreads from one computer to another. It can copy itself and move through networks or via USB drives. When it gets into a computer, it can cause problems, such as deleting files or making the computer run slowly.

How Does a Virus Spread?

Viruses spread when you download infected files from the internet or when you plug in a USB drive that has a virus. Sometimes, they can come from email attachments or when you click on a bad link. Once inside, they can send themselves to other computers without you knowing.

Types of Viruses

There are many kinds of computer viruses. Some just show messages, while others can delete all the files on a computer. There are even types that can steal your personal information. It is important to know that not all viruses do the same thing.

To keep your computer safe, you should use antivirus software. This software looks for viruses and stops them. It is also good to update your computer and programs often, as updates fix security problems. Be careful when downloading files or clicking on links, and do not use USB drives that you do not trust.

Remember, being careful and using the right protection can keep your computer healthy, just like washing hands and eating well can keep you from getting the flu.

500 Words Essay on Computer Virus

Imagine you have a cold. You sneeze, and your friend catches it. A computer virus is a bit like that, but for computers. It is a sneaky program that can spread from one computer to another, causing harm. Just like a real virus can make people sick, a computer virus can make a computer act weirdly or even damage it.

Viruses spread in many ways. Sometimes, when you download a game or an app from the internet, a virus might come with it. Other times, it could be hidden in an email. When you open the email or run the program, the virus gets to work. It can copy itself onto your computer or even jump to other computers when you share files.

Types of Computer Viruses

There are many kinds of computer viruses. Some just pop up annoying messages on your screen. Others can delete files or make it so you can’t access important information on your computer. There are even viruses that can take control of your computer and use it to send out more viruses to other computers.

Signs of a Virus

How do you know if your computer has a virus? Some signs include your computer being slower than usual, programs starting on their own, or files disappearing. If your computer starts acting strangely, it might be infected with a virus.

Protecting Against Viruses

To protect your computer from viruses, you should use antivirus software. This is a special program that looks for viruses and gets rid of them. It’s like medicine for your computer. You should also be careful about what you download and open, especially if it’s from someone you don’t know.

What to Do If You Get a Virus

If you think your computer has a virus, don’t panic. The first thing to do is run your antivirus software to see if it can find and remove the virus. Sometimes, if the virus is very bad, you might need to ask an adult or a professional for help.

A computer virus can be a big problem, but by being careful and using antivirus software, you can keep your computer healthy. Remember to update your antivirus regularly and be smart about what you click on and download. With these precautions, you can help stop the spread of computer viruses.

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Home — Essay Samples — Information Science and Technology — Computer — Computer Viruses

Computer Viruses

• Categories: Computer Viruses

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Published: Jan 29, 2019

Words: 1837 | Pages: 4 | 10 min read

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The anna kournikova worm, the melissa virus, crypto locker.

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Solutions to Computer Viruses Analytical Essay

Introduction, solutions to computer viruses, works cited.

As much as technology is useful to human beings, it comes with its challenges. One of such challenge that has troubled technology users for a long period of time is computer viruses. They refer to computer programs that are created by malicious software developers or computer programmers to harm other people’s computers.

Computer viruses are a great problem as they cause damage to data and they can potentially lead to system malfunction (Brain 1). Other viruses can be used by hackers to get information from other people’s computers without permission.

The best solution for the problem of computer viruses is installation of antivirus software on computer systems. Once antivirus software is installed in a computer system, it protects the computer system from such malicious software and ensures that any program that runs in the computer system is authorized.

Examples of antivirus software include Kaspersky, McAfee, Norton, Avast etcetera. The only down side of antivirus software is that they are also programs and thus they are not intrinsically perfect.

The antivirus software is thus frequently updated in order for it to efficiently protect a computer system (Brain 1). This may prove to be expensive to the user although the cost of updating antivirus software is not as high as the initial cost of acquiring the antivirus software.

The computer system user should also be extra careful while using his/her computer. This is especially crucial when the user is working with online application since the World Wide Web has many viruses. Sometimes hackers and virus developers may even develop an application that will ask the user to click on a window to see what it contains.

On clicking the window, the virus is permitted to run in the users computer systems and, this way, it may lead to performance bottlenecks or cause serious loss of data. It is thus of essence for users to ensure that they do not run applications that they are not sure about.

Users should also avoid being gullible while viewing high risk sites like entertainment sites in which such applications are found. Other links and images that may be sent as spam messages by hackers and virus developers should also be avoided. This is because most computers get infected with viruses though the use of the internet.

With the continued use of, and advancement in, technology, a lot of technology-related problems have arisen. Viruses are more destructive than ever. Organizations are continually losing important and costly information.

This calls for keener and greater care of our computer systems against the effects of viruses. Other measures that people can take to mitigate the effects of viruses are ensuring that files are properly backed-up so that once information is lost the organization does not go back to the drawing board.

Efforts should also be made to ensure that once a computer system is infected with viruses, the information saved in it is salvaged.

For instance, files and information in a computer system operating a Windows Operating System can be salvaged by running a live CD of the Linux OS.

This is done by booting the computer system from the Linux OS CD and finding the files that are not part of the Windows System files, and are not created by the user. The only disadvantage of this kind of operation is that it requires a highly intelligent IT (Information Technology) professional.

Brain, Marshall. “ How Computer Viruses Work ”. 2010. Web.

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IvyPanda. (2023, October 31). Solutions to Computer Viruses. https://ivypanda.com/essays/technology-issue/

"Solutions to Computer Viruses." IvyPanda , 31 Oct. 2023, ivypanda.com/essays/technology-issue/.

IvyPanda . (2023) 'Solutions to Computer Viruses'. 31 October.

IvyPanda . 2023. "Solutions to Computer Viruses." October 31, 2023. https://ivypanda.com/essays/technology-issue/.

1. IvyPanda . "Solutions to Computer Viruses." October 31, 2023. https://ivypanda.com/essays/technology-issue/.

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IvyPanda . "Solutions to Computer Viruses." October 31, 2023. https://ivypanda.com/essays/technology-issue/.

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Computer Virus And Its Prevention Essay Examples

Type of paper: Essay

Topic: Software , Technology , Viruses , Internet , Bible , Company , Security , Computers

Words: 2000

Published: 12/08/2019

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Small and large businesses alike are rallying to keep up with the new trends in technology. A business that is up-to-date in the implementation and usage of the various technologies offered to businesses has been a way of measuring the economic position of the company. However, computer viruses are keeping up with the every new technology that arises. This paper provides a discussion of the different functions of a computer virus and the degree of damage these viruses are able to inflict in a company’s computer system. It also looks into some well-known viruses and what damage these were able to do to these organizations. This paper also examines types of computer viruses and its corresponding behavior, the types of files they usually infect and how they propagate. The relatively short life-cycle of a computer virus is also presented. Likewise, it also tries to study the different preventive mechanisms available in combating computer viruses in a company. To help a company determine the type of security they need, suggestions on what to consider are offered based on a study made by Jacobson. A system wide virus defense mechanism is suggested to be implemented in companies especially companies that have data networks and companies that relies on computers for their daily operations. Benefits of implementing such system wide defense mechanisms through a an anti-virus software company compared to hiring specialized people by the company to attend to these matters are also examined. Financial benefits and overall benefits of implementing such system are also presented.

Computer Virus and Its Prevention

Introduction Businesses are rallying to stay at par with the new trends in technology. Almost every second, a new technology is introduced claiming to help businesses either in their daily operations or in specialized fields. However, even with these updates, software that is meant to harm the implementation of these new technologies cannot be helped. Computer viruses almost coexist with each new software addition intended to make the lives of the costumers easier. Fred Cohen first used the term computer virus in 1964 (Bocij, 2006). It is a small software program that has the capability to multiply from one computer to another interfering with the computers normal operations. It behaves like a biological virus. The functions of a computer virus can either be self – replication, latency of destruction. A self-replicating is a behavior of a virus where it produces copies of itself into other programs. Latency of the other hand is when the virus infection is delayed due to some programmed constraints like the virus shall take effect within a time frame or only for a specific number of executions. Destruction is when the virus destroys data or systems to function differently from what it is intended to do. Most computer viruses are made only for the purpose of exasperating users and non-threatening but other viruses which are destructive which could leave your computer inoperable also exists. It could destroy, delete or corrupt your data and files in your hard drives (IPA Japan, 2011).

Types of Viruses and their Behavior

The yearly new inventions by technology developers surprise the world, however, what surprises the world more is the ability of virus writers to come up with new viruses to keep up with these newest technology trends. The following are the most common type of viruses written by virus writers: 1. Boot sector viruses This type of virus works by replacing the boot code of your master boot sector with an infected boot code. It moves the original boot sector information in another disk sector to be marked as a bad sector. It loads itself in boot sector before any execution occurs in your computer, thus making it very hard to detect. McAffee claims that 75% of virus infection are boot sector viruses (McAffee, 2011).

Boot sector viruses propagate by using external boot disks.

2. File infecting viruses Based from the name of this type of virus, it infects files. The most common type of files infected by this type of virus are executable and operating system files. This type of virus operates by replacing program instruction with its own instruction moving the original program instructions to other parts of the file. Effect of this virus usually increases file size making detection a bit easier ( McAffee, 2011 ). 3. Polymorphic viruses This type of virus is very hard to detect since its behavior includes changing its appearance each time a new infection is produced. Anti-virus software finds it difficult for this type of virus due to the encryption they used. This takes anti-virus producer s to a new level of computer virus detection ( McAffee, 2011 ). 4. Stealth viruses Stealth viruses are memory resident type of virus. It uses several ways to avoid detection by antivirus software. This virus is good at hiding from detection as it also hides the changes it has made. When accessing an infected file, it redirects you to the original, transferred file( McAffee, 2011 ). 5. Multi-partite viruses The most destructive virus is the multi-partite type of virus because of its ability to infect both executable and boot sectors. It is also the hardest to detect because of its ability to combine with other types of viruses ( McAffee, 2011 ).

Computer Virus Life-Cycle

Most computer viruses pop out, do some damage and disappear. The life-cycle of computer viruses is typically short. Listed below is the typical life cycle of a virus (McAfee, 2011). 1. Creation

A virus writer creates a computer virus program.

2. Replication

The virus program transferred from one computer to another.

3. Activation

The virus does the destruction it is intended to do.

4. Discovery

Computer scientists discover the virus and study their behavior.

5. Assimilation

Anti-virus software is updated by anti-virus companies to include the new virus detected.

6. Eradication

Users make use of updated anti-virus software of companies to eradicate the virus.

Virus Prevention Damages to businesses caused by viruses are inevitable when businesses take precautions in protecting their computer systems. The Iloveyou virus, a worm (file-infecting) type of virus the spread in May 2000, has proven to be a destructive type of virus which affected both big and small organizations. Damage done by this specific type of virus includes overwriting image files and damages on local machine. It replicates itself by copying and sending itself to addresses in Windows Address Book which proved to have caused millions of loses in infected companies. In October 10, 2011, Cable News Network (CNN) reported that US Military drones are infected with a certain type of virus, which can affect the security of the country and its operations. It also reported that cyber thieves were also able to get specification of some parts of US Military submarines and tanks (Cable News Network, 2011). During this time, when almost everything important to world like security of people relies on the computer technology, it is a must that utmost computer virus prevention should be made. As they say, prevention is better than cure. Viruses can infect your computers in several ways. The most common of which is through file sharing and through the internet. There are several ways of preventing computer viruses to infect your computers system. Traditional ways of preventing your computers from getting infected by viruses is to provide rules on the use of computers especially when you are connected to the internet. Such rules could include examining filed before opening them, anti-virus software installations, keeping programs up-to-date and scheduling weekly scans (Jin, 2012). In order to minimize computer virus infections in your workplace, Jacobson suggests the following to considerations on what type of security fits your company: 1) if the most of your employees works with computers, then one should set an extensive security, 2) if there is constant data sharing (either manually or through a network), then extensive security of data is a must, 3) what is the physical distance of your computers with one another? 4) Is your operation fast paced? This can affect the way the computer network a company is set-up (Jacobson, 1992). An excellent virus defense system must be present in companies especially those companies heavily relying on computer systems for their daily operations. Computer users must be kept up-to-date and educated of the ways the system can be protected from being attacked by viruses. The most susceptible part of a company’s security efforts are its human factor .They must be well educated with the policies and company guidelines and end-user must knows. If the company is not capable of conducting the continuous updating of its human resources, they can partner with different organizations that specialize in this field. Aside from placing virus defenses in the server and network, each individual computer must also be installed with anti-virus software that is regularly updated. Likewise, a centrally manage virus-defense system must also be implemented.

While implementing this security system, identified weak points must be well documented to be able to address these properly.

Computer virus companies specializing in computer security can do all the planning and installation of the needed equipment to provide these security measures. These companies also provide the necessary trainings needed by the users. Tapping these companies cost less than having the company hire skilled workers to do this. Aside from this, the anti-virus company would be responsible in updating the antivirus software installed and keeping the users updated. In this way, the burden of constantly updating both the software and users will be removed from the company. These companies would also be responsible in creating and maintaining a virus control policy and procedures manual of the company. Due to the importance of a company security system, a company must implement one immediately, before it will be attacked by viruses.

Financial Cost

Companies tapping anti-virus software company specialist will realize lesser financial cost compared to hiring their own anti-virus technicians. These anti-virus companies give the whole package including trainings/ staff development needed for the company’s employees. With this cost for trainings and virus updates will be eliminated.

Benefits of a Virus-Defense System

Using the virus-defense system provided by a specialized anti-virus company will not only give you less burden with regards to its maintenance but will also provide the computer security that your company needs. It will ensure that the company data is protected, secrets of the company are secured and you network is protected from intrusions. This will also prevent the installation of programs that are not authorized by the company.

Ahmad, W. (2008). Computer Viruses as a Threat to Home Users. International Journal of Electrical & Computer Sciences IJECS-IJENS Vol: 10 No: 03. Retrieved from http://www.ijens.org/100403-5959%20IJECS-IJENS.pdf Cable News Network. (October 10, 2011). Virus Infects US Military Drones. CNN International. Retrieved from http://edition.cnn.com/video/#/video/bestoftv/2011/10/10/lawrence-drone-virus.cnn?iref=allsearch IPA Japan. (2011). Computer Virus Prevention Guidelines. Information-Technology Promotion Agency Japan. Retrieved 9 January 2012 from http://www.ipa.go.jp/security/english/virus/virus-guidelin-e.html Jacobson, Robert. (1992). Using McAfee Associates Software for Safe Computing, ISBN 0-9627374-1-0. New York: International Security Technology, Inc. Jin, Weiguio. Applying Epidemiology in Computer Virus Prevention: Prospects and Limitations. The University of Auckland Website. Retrieved from http://www.cs.auckland.ac.nz/courses/compsci725s2c/archive/termpapers/wjin.pdf McAffee. (2011). Introduction to Computer Viruses (and Other Destructive Programs). HackerzVoice. Retrieved from http://www.thehackademy.net/madchat/vxdevl/library/An%20Introduction%20to%20Computer%20Viruses%20(and%20other%20Destructive%20Programs).pdf Microsoft. (2012). What is a Computer Virus? Microsoft Support. Retrieved from http://support.microsoft.com/kb/129972 Miller, Michael. (2002). Understanding Computer Viruses. In Absolute Computer Security and Privacy (Chapter 1). Retrieved from http://media.wiley.com/product_data/excerpt/77/07821412/0782141277-2.pdf

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