Hotspot Shield creates a virtual private network (VPN) between your laptop and the wireless router.
This impenetrable tunnel prevents snoopers and hackers from viewing your email, instant messages, credit card information or anything else you send over a wireless network.
Which means you remain anonymous and protect your privacy.
Hotspot Shield security software is free to download, employs the latest VPN technology, and is easy to install and use.
Read more here.