Computer Viruses

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Computer Viruses Explain the difference between viruses, worms and Trojan horses in the context of computer and data security. Discuss the measures that need to be taken in order to maintain security. There is a type of computer program that is designed and written to destroy, alter or damage data stored on computers without your knowledge or permission. These are some of the problems that these programs cause ? Your computer displays annoying messages ? Your computer …

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…and if necessary eliminate the problem. Other ways of protecting data is to make frequent backups so if a virus does destroy any data it can be replaced once the virus has been removed. And finally take basic steps to ensure that there is no unauthorised access. Unfortunately, even with all these precautions it is almost impossible to ensure complete data security but they will help to reduce the risk drastically of any unlikely occurrence.