When you're browsing from a public Wi-Fi connection-like at your favorite coffee shop-anyone on that network can snoop on what you're doing, with very few exceptions. So can the IT crew at your workplace. Today, we're going to walk through setting up an encrypted proxy server on your home computer so you can secure your browsing session no matter where you're connected, keeping your private data significantly more private.
We've mentioned this more than a few times, but when you're browsing on a public Wi-Fi network and aren't connecting to sites that use HTTPS, anyone on that network can see what you're doing; they can grab passwords sent in plain text, or they can potentially steal your browser cookies and pretend they're you. (That's how, for example, Firesheep works.)
Read more in Lifehacker's post How to Secure and Encrypt Your Web Browsing on Public Networks (with Hamachi and Privoxy)