COMPUTER THREATS SECURITY
WHAT IS A COMPUTER VIRUS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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true
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false
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Either A or B
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None of the above
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Detailed explanation-1: -It can self-replicate, inserting itself onto other programs or files, infecting them in the process. Not all computer viruses are destructive though. However, most of them perform actions that are malicious in nature, such as destroying data.
Detailed explanation-2: -A virus must meet two criteria: It must execute itself. It will often place its own code in the path of execution of another program. It must replicate itself.
Detailed explanation-3: -Unlike viruses, Trojan horses do not replicate themselves but they can be just as destructive. Trojans also open a backdoor entry to your computer which gives malicious users/programs access to your system, allowing confidential and personal information to be theft.
Detailed explanation-4: -A computer worm is a standalone malware computer program that replicates itself in order to spread to other computers.