Eric GeierContributor, PCWorld Follow me on Google+

Eric is the founder of NoWiresSecurity, a cloud-based Wi-Fi security service, and On Spot Techs, an on-site computer services company.

Here's what an eavesdropper sees when you use an unsecured Wi-Fi hotspot

Use unsecured public Wi-Fi hotspots much? You'll rethink that practice after we show you what can be captured from those connections.

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How to child-proof the Internet

Child predators, pornography, online bullying—kids can stumble into all sorts of trouble online. Make sure your PC, mobile devices, and social networks are safe with these simple tips.

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8 essential features you need in a business router

It's not enough to offer the latest wireless standard. Make sure the router that will support your office is up to snuff with these core features.

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Lock down your social media with essential security add-ons

Are you doing everything you can to protect your kids and yourself on social networks? These apps and services can keep an eye on their and your accounts and alert you to any dangerous activity.

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