The American Pit Bull Terrier:
Pit Bull is One of the most misunderstood and stereotyped breeds. In the last decade, it was seen as the badest and meanest breed of dog due to negative media attention.
This breed is extremely athletic, intelligent, strong, and stocky;
they pack more muscles per pound than any other breed.
They were bred to be courageous and game. They are stubborn, tenacious, and fearless which is what you would want in a protection dog.
Their training should be extensive and done by professionals. When trained properly, they make excellent guard dogs besides being outstanding family dogs.