if you ain't home and they break in, then you want something that will eat their azz up.

I'd say a Mal, but they are a handful just to get a smart guard dog. My Mal Taz was friendly with everyone who came to my house cept one. Neighbors 16 year old punk entered my house one day, thought I was gone. Error. Taz ate his azz up but good. I heard the commotion and finally found them in the side yard and she had a hold of his leg pretty good. I called her off pretty quick. Scared me at first, then I realized he had come into my house. I didn't call the cops, but made it plain to him if he ever came back in my yard I'd kill his azz. He left a blood trail as he left. Never saw him again.