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	June 2003				doubleclick@alcress.com
		Double Click by Andrew Lang
			Viruses When you connect your computer to the world wide web or use a disk from another computer, you open up the possibility of your computer's being infected by a computer virus. These can range from being relatively harmless to positively malicious. It is possible for a virus to examine your computer and send your password and other information to a third party. (This is not very good if it happens to be your bank account details.) Some will do nasty things to your computer, deleting vital files and making it inoperable. Some may lie dormant until a set date before unleashing havoc. Viruses usually use your address book to send themselves on to other users. Some will disguise themselves and pretend to arrived as a legitimate email from another person. Never Viruses will often arrive in files attached to emails and are activated when you are trying to open them. You should never open an attachment from someone you do not know, or that you are not anticipating. Any files that may be suspect can be checked with an anti-virus programme. You can protect your computer from virus attack by having good anti-virus software, but you must remember to update the virus data at least monthly to ensure you are protected from the latest variants.