Security dogs are specially trained canines used to protect people and property. They can detect intruders, alert their handlers, and deter potential threats. Common breeds for security work include German Shepherds, Belgian Malinois, and Rottweilers due to their intelligence, strength, and loyalty. These dogs undergo rigorous training to develop skills such as obedience, tracking, and aggression control. They often work alongside security personnel in various settings, including commercial properties, airports, and military installations. Their keen senses and protective instincts make them valuable assets in maintaining safety and security.