When looking at your home security consider placing networked cameras at entrances to the home.
Also consider investing in a good lock for your house front and rear doors and ensure all windows have adequate locks in place. If you are renovating an older style home some of the old security latches are no longer enough. Talk to your local locksmith about steps to take to make your home safe from unwanted intruders.
For more expert advice and analysis, check out some of these articles.
Article: Burglar Beware
Article: Future-Proof Security for your Home