This fearless and vigilant breed was originally developed in mediaeval Japan to protect the aristocracy.
The Belgian Malinois, a breed known for its intensity and physical prowess, is a popular choice for police and military K-9 teams because to its high trainability.
The bullmastiff was originally bred as a guard dog by gamekeepers to ward off poachers. The robust features of this huge breed may be threatening to intruders.
It is intimidating to would-be intruders because to its towering stature, sturdy frame, and deep-toned bark. The breed is naturally protective.
German shepherd is another aggressive and energetic breed that is highly prized as a police or military working dog. This is a breed that is very devoted to its pack.
However, when among its human family, it becomes loving, submissive, and sometimes even silly. Most people are not shy around strangers until they feel threatened.
Don't be fooled by its appearance, however. The Komondor was developed in Hungary as a livestock and property security dog because it is huge, powerful, and fearless.
Rhodesian ridgeback's protective instincts stem from its deep sense of family bonding and its background as a big game and lion hunter.