Computer Virus: Crisis and Relief

Summary:
In general sense, Computer Virus is a program that can copy itself and infect a computer without the permission or knowledge of the user. During the inception of computer virus, it was quite harmless; but with the passage of time it has become a matter of prime concern to the computer users worldwide. Throughout the passage of time, computer industry has passed across many viruses. For this reason a classification of virus became inevitable. There are a number of means by which computer viruses can infect a machine and carry on their activities even without alerting the user. Hopefully, there are a lot of preventive measures which can be undertaken. There are quite a handful number of antivirus software which can be used for detection and removal of computer virus. But it is also true that prevention is better than cure, which is why only using antivirus software might not always prove to be fruitful. For this reason the computer users should always remain careful and follow some standard precautions. It is an established fact that day by day computer viruses are becoming more and more dangerous; but there are various ways of getting relief from this crisis. Therefore, no matter how much advanced computer viruses become, it is almost certain that there will be ways to fight back these viruses.

Introduction:
With the increase in use of internet in the late 1990’s; computer viruses became an aspect of prime concern to the computer users worldwide. Because of their ability to cause damage and disruption, the anxiety regarding computer viruses is still on the rise among the computer users. A virus is a parasitic program that infects another legitimate program, which is sometimes called the host. To infect the host program, the virus modifies the host to store a copy of the virus. Computer viruses alone have accounted for billions of dollars in downtime and lost data in the past few years. It is a known fact that there are a number of preventive measures...