A growing number of people are using laptops and for some people it is their primary computer. Wireless network security is very important. Here are 10 helpful security tips from InformationWeek.
1. Make sure you are connecting to the right network
2. Secure your connection
3. Avoid frequency channels being used by your neighbors
4. Find the strongest signals
5. Turn off your wireless network adapter when you are on the plane
6. Use whole disk encryption on your laptop
7. If you are having trouble connecting to a network, trying rebooting Windows
8. Make sure you have a firewall and it is running
9. Pick your hotspot connection and your supplier carefully
10. Don't blithely accept SSL certificates and SSH public keys
Here is a link to the InformationWeek article, written by David Strom, that will give you full details for all of these tips
10 Tips To Secure Your Laptop -- Wireless Security -- InformationWeek