NIS 2009, NIS 2010 and Wireless Security.

Hello Symantec:

 

If I take my Laptop to the Airport, Cafe or really anywhere for that matter, how does NIS 2009/2010 actually protect me from having my wireless connection monitored? Is it best not to use the laptop in public, unless I am connecting (securely) via an encrypted VPN?

 

Please explain.

 

Thanks, Plankton :0)