Scientific American presents Tech Talker by Quick & Dirty Tips. Scientific American and Quick & Dirty Tips are both Macmillan companies.

In last week’s episode, The Dangers of Unsecured WiFi Hotspots, we talked about how to keep your computer and your personal information safe when surfing wirelessly. In that episode, I promised to follow up with how to use a VPN for ultimate security while on the go. I’ll make good on my promise today.

Before I go on, I want to throw this disclaimer out there: This is a pretty advanced topic for your average computer user. But hackers get better and better at stealing your information on the web, so hold on to this information for your reference, should you decide to create a VPN in the future.

What is VPN?
VPN stands for virtual private network. This was originally used by large companies who wanted to connect remote users to their main network. It wasn’t until the past few years that VPN services have become widely available to the general population of non-Fortune 500 companies.

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