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Computer Viruses: Past, Present And FutureBelow is a free term papers summary of the paper "Computer Viruses: Past, Present And Future." If you sign up, you can be reading the rest of this term papers in under two minutes. Registered users should login to view this term paper.
Computer Viruses: Past, Present And Future In our health-conscious society, viruses of any type are an enemy. Computer viruses are especially pernicious. They can and do strike any unprotected computer system, with results that range from merely annoying to the disastrous, time-consuming and expensive loss of software and data. And with corporations increasingly using computers for enterprise-wide, business-critical computing, the costs of virus-induced down-time are growing along with the threat from viruses themselves. Concern is justified - but unbridled paranoia is not. Just as proper diet, exercise and preventative health care can add years to your life, prudent and cost-effective anti-virus strategies can minimize your exposure to computer viruses. · A history of computer viruses · Who writes viruses - and how they can reach you · The early warning symptoms of virus infection · The real numbers behind the growth of viruses and their costs · How viruses work - and how virus protection can stop them What, Exactly, Is A Computer Virus? A computer virus is a program designed to replicate and spread, generally with the victim being oblivious to its existence. Computer viruses spread by attaching themselves to other programs (e.g., word processors or spreadsheets application files) or to the boot sector of a disk. When an infected file is activated - or executed - or when the computer is started from an infected disk, the virus itself is also executed. Often, it lurks in computer memory, waiting to infect the next program that is activated, or the next disk that is accessed. What makes viruses dangerous is their ability to perform an event. While some events are harmless (e.g. displaying a message on a certain date) and others annoying (e.g., slowing performance or altering the screen display), some viruses can be catastrophic by damaging files, destroying data and crashing systems. How Do Infections Spread? Viruses come from a variety of sources. Because a virus is software code, it can be transmitted along with any legitimate software that enters your environment: · In a 1991 study of major U.S. and Canadian computer users by the market research firm Dataquest for the National Computer Security Association, most users blamed an infected diskette (87 percent). Forty-three percent of the diskettes responsible for introducing a virus into a corporate computing environment were brought from home. · Nearly... This is not the end of the termpaper! Register below to see the complete version of this term paper.
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