Guard dogs are one way people are choosing to help protect their home, their belongings, and their families. Your risks of burglaries or other crimes goes down considerably when you have a guard dog on your property. Guard dogs are a great addition to the family, not only as protection, but as a member of the family. They are typically very loyal dogs to their owners and families, however, if not trained properly, they can be very dangerous dogs and be a threat to children, elderly, and other dogs. The owner of a guard dog, must invest the time and training in the dog in order to create the right temperament so that it serves its purpose as both guard dog, and family pet. There are many different breeds of dogs that are known to be great guard dogs, and these are the top 20 guard dogs in the world.