The following is a link to a web-page with a number of informative articles on dogs for guarding and protection. Dogs of Defense: K-9s for Home Invasion Protection
I have a large wolf/shepherd and he looks fierce and has a bark that will give you goose bumps in the dark and he is black so hard to see , while he is not overly agressive he will alert me to the presence of strangers and unusual noises whish is good as I an hard of hearing ,when I am with him he is friendly enough he is defantly worth his weight 106 3 in scooby snacks.
