WiFi is a two-sided sword, it provides a great mobility of Internet access for us, but it also allows us to intercept others data easily. This is the fact, the only thing that we can do is to try our best to protect our data from being exposed instead.
The best way is to make a virtual private network (VPN) connection to your home desktop/server. This solution will let you to enjoy the same security as you are at home. However, for sure, you have to confirm the security of your regular channel from home to external servers.
The following diagram illustrate the solution.
Insecure way: connecting via Insecure Channel
More secure way: connecting via Secure Channel (VPN) to your home
Further reading: How to setup PPTP server with your Windows XP
Related: Enhancing security at Coffee Shop (B)
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