Microsoft scanned about 5.7 million PCs for little over a year and found at least one back-door trojan on 62% of all scanned PCs!
This is really scary statistics because most of us are using Internet for more and more stuff each and every day. Many of us are accessing our bank details over Internet, trading stocks and mutual funds, and making purchases with our credit/debit cards. Even if you think you are protected you should really check your firewall, your antivirus protection and of course scan your computer for trojans.
At
antivirus.xaviermedia.com you can make a simple scan of your computer and also find more information about resent threats.