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Unprotected computers can harbor Trojans, viruses and worms. These sneaky little programs can enlist your computer, without your knowledge, in a DOS attack on websites – wreaking havoc and cause loss of revenue to individuals and companies. They can also allow strangers to use YOUR computer to store illegal images and files, or put programs on your computer to record your passwords, credit card numbers or other personal information.
You can protect your computer from infection by installing an anti-virus program and keeping it updated. The most important thing to remember is that new viruses are created every day, so it is very important that you keep your program updated. Many programs have either a reminder system or an automatic update feature - take advantage of it! Be sure to scan all files that you load onto your computer, before opening them! Taking these simple precautions will significantly reduce your chances of infection.
Additional Resources
CERT: Understanding Anti-Virus Software
CERT: Coordinating Virus and Spyware Defense
About.com: Before You Buy Antivirus Software
CERT: Understanding Denial-of-Service Attacks
Related Articles
Viruses, Trojans and Worms
Update, update, update!
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