6. Tibetan Mastiff
The Tibetan Mastiff may just be the greatest guard dog ever. On account of his large size, nothing gets past this intimidating, large and powerful dog. Historically, these dogs were the guardian dogs of Tibet, meaning that the urge to protect runs through it’s veins. However, in a relaxed setting, the Tibetan Mastiff is easygoing and affectionate, only lashing out if feeling threatened by strangers.
The Rottweiler is a large, muscular and obedient guard dog known for being fearless and alert. As a naturally protective breed, the Rottweiler is a great guard dog for your family. However, it is imperative to remember that Rottweilers only listen to their masters when trained properly. Rottweilers naturally take action against outside threats, however, you need to make sure that they are trained to not out rightly attack.