' Dogs are supposed to be man’s best friend. They are tame and they can be trained. There are certain dog breeds though that are very loyal and are a good companion. They don’t pose any harm as long as they were properly trained and if you were their master. However, if you are stranger to them, they can become aggressive for no reason at all. Let us take a look at 10 of the scariest dog breeds out there and understand how they pose threat to humans.
