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We recently covered methods for securing your home wireless network. That's a great idea, but what if you travel with your notebook strapped to your carcass in a hefty backpack? You might want to access the Internet in an airport, a coffee shop, a library, or anywhere else of the growing hoards of hotspots (places that offer wireless Internet access).

Whether you're cozying up in a nice, comfortable, airline terminal chair, or sitting in on a seminar, your notebook is a valuable tool for communicating with the universe at large, but it's also a repository of data that you don't necessarily wish to share. In this article, we'll share some important tricks that will keep your notebook and its contents safe when you're on the road (or in the air).