Customers should immediately install patches/updates for MS08067 and other vulnerabilities as soon as vendors release these patches. They should configure their PCs to receive automatic updates and patches from Microsoft and software vendors.

Make sure your customers' security software is up to date.

Instruct customers to disable the “Drive Auto-run” feature to avoid infections from USB drives.

Your customers should employ secure passwords using a combination of letters, numbers and symbols and frequently change them.

Educate your customers to take caution when searching online for DOWNAD and Conficker information. There are reports of rogue antivirus packages that are taking advantage of the situation. They will tell you that you are infected and ask you to pay money to download their application, which in many cases turns out to be malware.