Most window locks can be pried with ease. However, you can upgrade the security of your home by installing secondary locks on all your windows. Pinning - Nearly all types of windows can be pinned for security. Sliding doors and windows - Drill hole through sliding panel into stationary panel and insert pin through panels. Add shims or screws at the top of window or door to prevent it from being lifted from it's track.
Commercial locks are available for sliding windows and doors.
Basement Widows - One of the most common points of entry. Garage Security Garages are favorite targets of burglars, particularly if they have an inside door to the house. Treat your garage doors and windows as entrances to your home and secure them appropriately. Keep your garage doors closed except when you're actually taking something in or out. If you can't keep valuable items in your garage, put them behind your garage out of sight.