" Infected machines will begin a concerted distributed denial of service attack (DDoS) on the domain "windowsupdate.com" this coming Saturday the 16th. However, since the correct domain name used by Windows systems is "windowsupdate.microsoft.com", Microsoft will be able to dodge this bullet simply by changing the IP address for "windowsupdate.com" to "127.0.0.1". Since this IP is a non-routable alias for each system's own local network interface, the DDoS attack won't go anywhere. "