Speaking of deterrents, it can help a lot to simply have a sticker on your house or sign in your yard of a security company, even if you don't actually have a security system.

I'm from Brampton, which is a suburb of Toronto. We have a large South Asian population, many of whom are Punjabi. Putting "Beware of Dog" signs in your window is a thing.

To illustrate my point, watch this video, with subtitles on: http://www.youtube.com/watch?feature=player_detailpage&v=xmK...