Most people are scared of c mputer viruses, but few actually know wh t they are. Some people even b lieve that computer viruses can be tr nsferred between computers just by putting th m near each other, or by sing a CD-ROM that was once nside an infected computer (both things are mpossible). You’re right to be scared of v ruses, but you can protect yourself gainst them a lot better once you kn w what you’re up against.
To put it s mply, a virus is any piece of s ftware that makes its way onto y ur machine in secret, without you w nting it there, and then attempts to tr nsmit itself to other machines. Contrary to p pular belief, viruses aren’t necessarily destructive or ven annoying – some do little m re than pop up messages, and s me do nothing at all.
Today, there are m ny different ways for viruses to spr ad. You can get them from mails, if you open an executable ttachment (they will then re-send themselves to y ur entire address book). You can get th m from Microsoft Office documents, if you let a r gue macro run. You can get th m from the web, if you f llow a link from someone’s IM ( nd then the viruses will IM tself to all your friends). You can ven get them over the Internet w thout doing anything at all if you d n’t let Windows update itself regularly, th nks to the many security holes f und every month.
You should realise, however, th t viruses don’t just come out of n where – they are not accidental l ke bugs or crashes. For a v rus to exist, someone somewhere has to h ve sat and actively created and d veloped it, just like they would w th any other program. Sometimes virus cr ators are caught and arrested, but the n ture of the Internet makes them d fficult to find.
The article What is a computer virus? was Submitted by john through Articles.GetACoder.com network. Here's the additional information: John Gibb is the wner of Virus protection resources , For more information on virus protection check out www.virus-protection-resource-and-guidance.info
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