I saw this tonight, and I gotta say, "I Like It".  I had one of those "Why didn't I think of that?" moments.

A fanatical bowhunter from Alaska commonly comes in contact with Black and Brown Bears.  Bears are notorious for putting a hurtin' on game cameras.  Some security boxes even have a hard time standing up to them.  So this guy developed a steel game camera box that is lag-bolted to the tree, and covered with nasty, sharp spikes.

I hop this guy patented the idea.  Check out his bear proof security box.