HOW TO PREVENT COMPUTER SYSTEM INFECTION AND COMPROMISE USING TROJAN TOOL AND PROCESS. A RESEARCH PROJECT MATERIAL ON COMPUTER SCIENCE EDUCATION
1.1 BACKGROUND TO THE STUDY
Computer system infection, also known as malicious code, refers to a program that is covertly inserted into another program with the intent to destroy data, run destructive or intrusive programs, or otherwise compromise the confidentiality, integrity, or availability of the victim’s data, applications, or operating system (Higgins, 2010). Computer system infection is the most common external threat to most hosts, causing widespread damage and disruption and necessitating extensive recovery efforts within most organizations. Organizations also face similar threats from a few forms of non-malware threats that are often associated with computer system infection. One of these forms that has become commonplace is phishing, which is using deceptive computer-based means to trick individuals into disclosing sensitive information. Organizations should plan and implement an approach to computer system infection incident prevention based on the attack vectors that are most likely to be used currently and in the near future. Because the effectiveness of prevention techniques may vary depending on the environment (i.e., a technique that works well in a managed environment might be ineffective in a non-managed environment), organizations should choose preventive methods that are well-suited to their environment and hosts. An organization’s approach to computer system infection incident prevention should incorporate policy considerations, awareness programs for users and information technology (IT) staff, vulnerability and threat mitigation efforts, and defensive architecture considerations (Higgins, 2010).
An organization’s policy statements should be used as the basis for additional malware prevention efforts, such as user and IT staff awareness, vulnerability mitigation, threat mitigation, and defensive architecture. If an organization does not state consider system infection prevention considerations clearly in its policies, it is unlikely to perform infection prevention activities consistently and effectively throughout the organization (Goodin, 2007). Computer infection prevention–related policy should be as general as possible to provide flexibility in policy implementation and to reduce the need for frequent policy updates, but should also be specific enough to make the intent and scope of the policy clear. Computer system prevention–related policy should include provisions related to remote workers—both those using hosts controlled by the organization and those using hosts outside of the organization’s control (e.g., contractor computers, employees’ home computers, business partners’ computers, mobile devices).
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