Essays on Computer Viruses

The information technology (IT) industry has advanced significantly over the past few decades. Technology is not only ubiquitous, but also integral to every aspect of the society. Since the devices and components related to IT are interdependent, any disruption caused to one may affect the other. Over the past years, there has been a raising concern with regards to protecting IT systems from cyber-attacks, which have increased drastically over time. Therefore, cyber security refers to the act of protecting IT systems, including computers, software, hardware and related devices from attacks, threats and disruption . It plays a significant role in ...

Introduction

Huffman Trucking Company has requested a new Election Benefits System which will be used to manage the benefit packages of its employees. The current system that is used by the company includes vision, dental, and medical plans for employees. In the benefits election system, the package that the employee will choose will be stored and managed by the system which has database capability to help in the retrieval, updating, and storage procedures of the system. The records that are stored in the database are either hardcopy or electronic. Whoever method that the records are stored; there is a need ...

1. Explain how a denial-of-service attack works. How and why are these attacks effective in their goals? Who would be the primary targets for these types of attacks?

A denial of service attack (DoS attack) is a type of attack on a machine or a network of machines that is intended to make certain resources unavailable for use for the the users who are generally meant to be the intended users. There are a variety of different ways that a denial of service attack can be carried out, but the purpose is the same: to disrupt the proper functioning of a machine or a network. If a ...

Malicious code refers to the term used to describe the code in any part of any software having potential threat to damage the system. Whenever some malicious code infects the system and system show irregular behavior, those saved Backups are being run in order to restore the previously saved safe state of the system before the malicious code was active. In this way, the malicious code is automatically detected and thrown out of the system. Backups are common tools for defense against any malicious code. Backups are basically copies of files that exist in the form of “Shadow Files” ...

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Within the ambit of information systems security, Social Engineering refers to the act of manipulating individuals to give up or leak confidential information. It usually involves tricking people (through human interaction) to break into regular security SOPs. Social engineering has become the most widely used and easiest techniques for attacking an information system as it relies on the victim’s innate ability to trust people and naturally, be helpful towards them. Social Engineering is divided into two broad categories: Human-based and Computer-based. The former involves face-to-face interactions with the victim to retrieve the intended ...

Introduction

Small businesses form a critical part of the economy and play a key role in the creation of jobs and improving the livelihoods of many individuals in the society. However, in the advancement of technology and the use of information systems by these businesses, there has grown a threat to the continued successful operations of these businesses due to the threat of cyber attacks. This paper will focus on researching on the current information security landscape of small businesses, specifically in cloud computing and social networking. The paper will also make a discussion of the potential consequences of not implementing security practices, show ...

A computer virus can simply be defined as a piece of code or program that is able to replicate itself, runs on a computer against the owner’s wishes, and spreads from one computer to another. Currently, computer viruses have no commercial value but are highly known to be implemented in the military. Many organizations or individuals use viruses to harness competition especially in businesses. A virus can be developed to perform a specific purpose. This includes corrupting files in computers and databases (destructive viruses), hacking (obtaining information from computers and databases). An increase in technological advancements has led to an ...

Project 1-1

Incorporating system security in a company is always an effective way of minimizes common loses brought about by system attacks. Microsoft has introduced several mechanisms for boosting computer security systems. Kulkarni, Ravindran, & Freeza (2007), various practices recommend various practices that assist in preventing systems attack by viruses. First, the server should be password protected to ensure only authenticated users access information from the company computers. The system administrator should cross check each authentication and determine its location in order to keep records of various login-in details from different clients. Second, Nishida and McCormick Company should ensure all the risks ...

Computer virus is the software which damages data, programs or the computer itself. It is a concealed program which can contaminate other programs by modifying them and causes data loss. It gets attached to other software and runs secretly every time the host program is executed. The virus replicates itself within a computer system. Some viruses hidden in the computer can infect the computer at a particular time called time bomb viruses.

Computer viruses first came forth in the 1980s due to a number of factors, such as, the increase in personal computers, the utilization of computer bulletin boards, the floppy disk, and ...

Administrative Controls

How Administrative Controls Demonstrate Due Care

Administrative controls are the policies that an organization’s management team prepares in order to communicate their intent for controlling the organization’s information system to the rest of the organization (Mickler, 2009). These policies allow the management team to manage by discipline and principle and they also serve as guidelines for the implementation of the physical and technical controls that would be necessary for protecting the system.

In particular, administrative controls are used to exercise due care in that they are used for protecting the organization’s information and information systems from ...

Just like human beings computers can also be infected through the computer virus, worms or through the Trojan horse. A computer virus is a program that is introduced by unscrupulous programmers. A worm is one that resides in active memory and replicates itself over a network to infect machines while a Trojan horse is a vicious program disguised as a genuine program such as a screen saver. The main difference between them is that the method of entry. This can be prevented by protecting the computer by use of antivirus. For a computer virus the a programmer may use a code in order to infect the computer ...

Introduction

Innovation of computers has made the work of man easier and has also changed the way man does his things currently. However, despite the fact that computers are said to be effective and efficient in data storage, computer viruses can turn that idea into a nightmare all of a sudden. A computer virus is described as set of instructions in a computer that may attach and reproduce it’s self in other codes which are executable. A computer virus is normally said to be manmade and can stand on its own without the support of other programs. A computer virus is generally ...

The present and future of computer based espionage and terrorism.

I. Introduction

Computer based espionage and terrorism

Computer based espionage is a form of spying through the use of computer devices and internet. It involves organizations, governments, or individuals obtaining confidential information without legal permission from the information holder. It is mainly done or kept secret because of the fact that it may be illegal thus punishable using the law. However sometimes computer based espionage may be considered legal as being part of intelligence operation. In such cases the organization or individual conducting the intelligence, does it using ethical means and mainly utilizes public sources of information. Governments are the ones mostly involved with computer ...

Abstract

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 ...

Part One - Computer Viruses Manual

Understanding computer virus

A computer virus is a term used to describe malware or basically, any computer program that has the potential of copying itself onto a computer without the intervention of other programs or users. Viruses include malware like adware and spyware, though this malware do not have reproductive ability (Amoroso 1999). A computer virus has a reproductive ability to regenerate itself and infect other computers or other applications within the same machine. A virus can spread rapidly over networks or insecure intranets. It can also be spread by removable medium like USB drive and CDs.

Computer viruses term implies all ...

1.0 Introduction

Since the invention of computers and development of internet, there has been an unimaginable transformation in our society. The internet has two characteristics that no other invention has; first it provides the most extensive source resource of information in the entire world and second it provides people with an interactive interface to instantly communicate with each other. In this new world of internet connectivity geographical separation is no longer a barrier, people can share information, their experiences, ideas, suggestions, and problems, try to exert influence and get fast responses and reactions from friends and strangers as well and feedback that ...

Electronic or cyber crime is a criminal activity, committed through the use of information technologies. Economies worldwide, business and individuals are effected by electronic crime increasingly more often every year. According to Internet Crime Complaint Center, in 2008 the number of electronic crimes in the USA has increased from 207 to 275 thousand, and resulted in a total loss of 264.6 million dollars (Limbach, n.d.).

Multiple types of computer crime include cyber theft, cyber terrorism, creation of obscene or offensive content, harassment, drug trafficking, spam, information warfare, phishing scams, spreading computer viruses and malware.

Types of Electronic Crime

Computer hackers use ...