Schrader said the best defense against Trojan Horse e-mail viruses is end-user education -- and, of course, updated virus-scanning software.

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The Alliance accelerates worldwide adoption for HomePlug technology by collaborating with international standards organizations such as the IEEE and through market development and user education programs.

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But user screening, awareness, behavior and education are now paramount.

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There are countless repositories of fantastic educational content, from user-generated and curated sites to Open Education Resources to private sector publisher sites.

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Since 2006 I have been on the d.school faculty at Stanford teaching innovation through user centered design and experiencing the current disruption of education from the inside.

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User activity is sustained, even enhanced, by massive public investments in education, social insurance, or broadband networks.

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In addition to the simple education of users, Adams advises businesses to develop clear policies governing user-owned devices to avoid difficult confrontations with staff if a device is lost, stolen or compromised.

CNN: Are you in danger of 'drive-by' hacking?

In terms of education, 25 percent of households had a college graduate as the primary PC user, with both college and high school graduates accounting for 24 percent each.

CNN: Typical PC buyer -- revealed!