What is a computer virus

However the majority of viruses are destructive to a computer and you should at least know how they infect a computer and what are the basic types.  So you ask what is a computer virus?  So let's learn a little about viruses. 

Computers become infected through email, web surfing and instant messaging. Email is by far the most way computer become infected.  There is usually an attachment sent with the email, which is then opened which infects the computer. 

When trying to protect yourself from email viruses you need to beware of attachments.  Make it a rule to never open emails with attachments from people you do not know.  Just doing this can save you a lot of headache. 

If you feel that you may need to open attachments then you will need some type of virus protection that will scan your email before you read it.  If you use AOL or even MSN then you don’t really need to worry too much, but your computer can still become infected. 

Then next thing is asking what is a computer virus is a computer can become infected is by surfing the internet.  Now more than ever getting a virus with web surfing happens. 

Some people make website that do nothing but set a virus when you visit their page.  Again a good anti virus protection software solution is your answer. 

Then next way it can happen is through instant messaging.  This can particular happen with the popular AIM messenger.  These are normally infected by worm viruses. 

So now that you know all of the above, what is a computer virus?  Well, a virus is a computer program that is written with the intention of destroying data, delivering a DOS attack or just messing with a computer.

So to fins out what is a computer virus let's look at the most popular types of viruses are Trojan horse and worm viruses.  Both of these can be used to destroy data or connect to other computers.

Trojan viruses are usually used to connect to remote computers for delivering information.  This can be things like your personal computer data or information.  A worm virus usually replicates itself and sends itself out to other computers so they can become infected also. 

There are literally hundreds of different types of viruses.  This is why you need to be protected at all times with a good anti virus solution.

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