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Viruses
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Viruses |
Viruses are parasitic bits of software that attach themselves to other programmes, so that every time that programme runs, the virus reactivates. |
Trojan horses |
A programme that pretends to be one thing (something useful and safe) but is actually a virus. |
Email viruses |
Viruses that attach themselves to email messages and automatically replicate to all your contacts, or convince you to forward them. |
Worms |
Worms move through security holes in computer networks. A worm will spot a computer with a similar hole to the one it's in and filter through into it. |
If you think that your computer has got a virus then you should contact
the company that made the computer who will often be able to advise you
on obtaining a remedy or virus 'patch'. The best think to do is be cautious
and protect your computer with anti-virus software. Be careful when downloading
programmes from the internet and think twice before opening an email from
an unknown sender.
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