Cinder block, concrete or brick walls 1/2 way up from the foundation, potable water cistern you have access to from below main level. Some form of shrubbery in front of every window to prevent anyone from accessing them as points of entry(as we have) . Entire yard, perimeter motion sensor solar powered lights. Driveway alert warning systems
http://www.harborfreight.com/catalog...iveway%20alert
Pressurized independent fire sprinkler system, as some folks are required to have if their FD response time is greater than X minutes. I know a few people east of ft lupton their ins co required it be installed whne building their house.
Window security bars that can be kicked out if needed, but not accessible from outside.
3' diameter galvanized thin wall pipe sunk 5-10' below ground giving you an escape route bringing you say 100' from the house.
All power to home underground from service line.