Threat of viruses
Societies around the world are just learning about the level of importance of computer security against virus attacks and the critical significance of cyber crime. Companies around the world lose vast amounts of time, money and resources due to the lack of defense systems and knowledge. Companies must ensure that the all data processing equipment like computers, routers and networks are robust and secure to withstand any type of malicious attack. The following report details some of the more common malicious code specifically viruses, explaining some of the damage, which these very powerful viruses can inflict on to any computer that it is not well prepared for this kinds of attacks. Armstrong (July 2000, p1), states that: 'February's (2000) big story for the information security marketplace was the distributed denial-of-service attacks, which rendered the likes of Yahoo, eBay, and E*Trade helpless. Most recently, news of the LoveBug hit. While statisticians still grapple with the costs associated with recuperating from this newest bug's sting, the latest reports indicate that approximately 90 per cent of networks worldwide were affected. Recovery costs associated with the LoveBug are est
The second main type is the system or boot-record infectors. A file infecting virus, that can infect kernel program files is not a kernel virus, this term is reserved for describing viruses that utilize some special feature of kernel files like their physical location on disk or a special loading or calling convention. All common boot sector and MBR viruses are memory resident. Along with all these woes, companies also have to fend off attacks, not only from the outside, but more importantly from inside. ------------------------------------------------------------------------**Bibliography**References & BibilographyAssociation for Computing Machinery (ACM), 1992, "ACM Code of Ethics and Professional Conduct",http://www. The primary difference between a worm and a virus is that a worm operates through networks and a virus can spread through any medium, but usually copied program or data files (Pfleeger 1997, p179).
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