1. Set up an IDS like Snort that comes with backtrack.
2. Remove every device from the the router/modem except for the machine running backtrack.
3. Set up router mac address filtering for the backtrack rig that your about to connect to the router/modem.
4. Spend a few weeks learning how to use snort and read its logs.
1. Set up a honey pot server and let them in for a surprise.