Starbucks Free Unlimited Wi-Fi: A User's Guide

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Think of a VPN like a super-secure train tunnel that sends all your Web traffic through a secure server and then out to the rest of the Internet. Many corporate types should have private VPN access through their employer, but you can also download HotSpot Shield (Mac and PC) from AnchorFree at no charge. HotSpot Shield is an ad-supported VPN that works very well. The biggest downside to HotSpot Shield is that it places a banner ad at the top of every Web page you visit. You can easily close the ads by looking for the 'X' on the top right corner of the banner. HotSpot Shield may also slow down your surfing speeds, but the added security is worth it.

TIP: Using HotSpot Shield form overseas can often fool regionally restricted premium content sites for music and video. Unfortunately, HotSpot Shield is not smart enough to trick Hulu.

3. SSL E-mail: If you're checking your e-mail on public Wi-Fi, the best thing to do is to make sure your Webmail is encrypted using HTTPS address header instead of the wide open HTTP. While many Webmail sites, like Yahoo Mail and AOL, will use HTTPS to log you in, the encryption quickly disappears once you hit your inbox. So try using Gmail instead, which offers HTTPS security for every single part of Gmail and Google Docs.

If you're a Firefox user, another option is to download the HTTPS Everywhere extension created by the Electronic Frontier Foundation and The Tor Project. The HTTPS Everywhere extension encrypts your online activities when you visit a variety of sites including Twitter, The New York Times, Google search, Wikipedia, Facebook and many others. But HTTPS Everywhere is not foolproof, and the EFF warns that it is not possible to encrypt all traffic. In my tests, for example, visits to Yahoo, Hotmail and other Windows Live sites were not encrypted using the extension. So watch to see if the browser's lock icon in the lower right corner is broken or has an exclamation mark. If it does, you're not encrypted.

4. Common Sense: Don't forget that while you can encrypt some of your Web activities, no security system is perfect. So don't use Starbucks' free Wi-Fi for accessing sites that require your most personal information such as credit card numbers, Social Security numbers or banking information. Save that stuff for your encrypted home network.

Those are the basics; to learn more, check out PCWorld's article How To Stay Safe on Public Wi-Fi and How To Secure Your Wireless Network for more information about home Wi-Fi security.

Starbucks free, unlimited Wi-Fi is a great treat for users, and it will be interesting to see what other kind of free content the SDN will offer later this year. Just remember to stay safe and protect your digital self with a little bit of technical know-how and plain old common sense.

Connect with Ian on Twitter (@ianpaul).

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