The palm-size device, released Tuesday by Kanguru Solutions, can secure sections of any hard drive, making confidential data invisible and inaccessible when it is unplugged, according to the company. With the $49.95 Wizard, an individual can portion off up to eight sections of a hard drive, Kanguru Solutions said. Each of those "hidden drives" can support up to 2GB of data, and that information can be accessed only when the Wizard is plugged into the computer, the company said.

"Government agencies can use it to cordon off classified documents for limited access," Nate Cote, vice president of product management for Kanguru Solutions, said in a statement. "Doctors can protect their patient information. Businesses can use this for protecting credit card information. Parents can use it to keep confidential information like financials out of sight on the family computer. The list goes on."

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