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Monday, March 16, 2009

How Computer Virus Work ?

Computer viruses are mysterious and grab our attention.
On the one hand, viruses show us how vulnerable we are.
A properly engineered virus can have an amazing effect
on the worldwide Internet. On the other hand, they show
how sophisticated and interconnected human beings have become.

For example, the thing making big news right now is the Mydoom
worm, which experts estimate infected approximately a
quarter-million computers in a single day (Times Online).
Back in March 1999, the Melissa virus was so powerful that
it forced Microsoft and a number of other very
large companies
to completely turn off their e-mail systems until the virus
could be contained. The ILOVEYOU virus in 2000 had a
similarly devastating effect. That's pretty impressive when
you consider that the Melissa and ILOVEYOU viruses are incredibly simple.

In this article, we will discuss viruses -- both "traditional" viruses
and the newer e-mail viruses -- so that you can learn how they work
and also understand how to protect yourself. Viruses in general are
on the wane, but occasionally a person finds a new way to create one,
and that's when they make the news.

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