If you have been watching the news lately, you may have heard about a new worm that is rapidly spreading across the internet.

Zotob is a worm that targets Windows 2000–based computers and takes advantage of a security issue that was addressed by Microsoft Security Bulletin MS05-039. This worm and its variants install malicious software, and then search for other computers to infect.

If you are running Windows 2000, and want to make sure you are protected, you can download the patch here. As always, be sure to keep your virus software up to date, use a firewall, and regularly check for Windows updates.