Pitbulls do not attack their owner. Still, in the few instances when these adorable animals turned on their masters, it has been noted that they did out of fear. In other cases, Pitbulls attack their owners when guarding something important to them. Some experts also argue that if they are not well fed and remain perpetually hungry, Pitbulls can attack their masters. Besides, owners' aggression and physical beatings can also make them aggressive so that they can attack their masters.