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Objectives:
At the end of the topic, the students should know the following:
1. The Sources of Computer Virus.
2. Ways at which Computer Virus gets into our system or device.
3. The Causative agents of an Infected system or device.
SOURCES OF COMPUTER VIRUS
There are various sources of the Computer Virus. These sources are the means the Computer Virus used in getting into our system or device. It can also be described as hosts of the Computer Virus.
Computer Virus finds their host in removable or external storage devices such as: diskettes, flash, USB drives, disks, compact disks, zip drives, memory card, files, documents, folders etc.
The Computer Virus can also finds its host in emails, downloaded documents and files and various computer programs.
WAYS COMPUTER VIRUS GETS INTO OUR DEVICE OR SYSTEM.
The Computer Virus gets into our device or system through the following ways:
1. Illegal copying of software program.
2. Frequent sharing of documents, files, folders, games, audio and videos though sharing medium such as infrared, bluetooth, flash share, xender etc.
3. Unauthorized access into the computer or its files.
4. Lack of training of computer operators.
5. Poor online management expertise.
6. Lack of adequate protection against intruder.
7. Unavailability of antivirus software in a system.
8. Unrestricted transfer of information from one computer to another without scanning.
9. Downloading of files and documents from untrusted sources.
10. Clicking of unknown download links online masked with
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