Follow these steps to upgrade your home network for improved security.
- Change wireless settings on ISP router to use WPA instead of WEP.
- Change wireless settings on laptop to use WPA instead of WEP.
- Setup a second wireless router on the LAN port and change wireless settings on ISP router to use WPA instead of WEP. Do not use the WAN port.
- Disable the DHCP server on the second wireless router.