Some of the essential qualities of a guard dog are not just their size and strength, but also their intelligence, loyalty, courage, and territorial instincts. While you may want a pup that can keep you safe, you also want a pooch that will be a nice loving dog to you and the rest of your family. You may be surprised to find that some of the most intelligent and protective dogs are small ones that, while brave, are more likely to need saving than they are to save you from getting hurt. Choosing a pup with the right temperament, and just the right amount of brawn and instinct may be your best bet. Here are the top breeds that may be the pawrfect guard dog to keep you safe.