Attack Dog Training - Personal Protection Guard Dog Training instruction by K9-1 Specialized Dog Training LLC. If you ever wondered how to train an attack dog we now have instructional videos for the serious dog trainer. This video features, Nikko, a Belgian Malinois raised as a pet then transformed into a high caliber personal protection dog at two years of age. Be advised that personal protection training 9or attack dog training) should only be done under the guidance of a professional and ...