1. Introduction : homeland security vision -- 2. Essential threat factors -- 3. National infrastructure protection plan for threats, vulnerability, risk, and resilience -- 4. Risk mitigation, transference, and elimination -- 5. Readiness plans : develop, validate, and update -- 6. Prevention, detection, and response factors across sectors -- 7. Human factors and team dynamics -- 8. Innovative ideas for change -- 9. Training and exercises : touch it, feel it, live it, breathe it! -- 10. You can deter, but you can't interdict : don't cross the line!.