Turning the stuxnet malware concept on its head is the Vaccine USB, a new portable product for Windows industrial-based systems that offers virus scan software via a USB drive.

To protect your data, you can lock your USB ports from working with USB sticks. You can use one of these free USB port-locking software to do so easily: URC Access Modes Nomesoft USB Guard Windows USB ...

Listing for about $499 with one year of software and virus definition updates, the stick is intended for industrial PCs onto which software installation is impossible, impractical or might even void ...