be your windows or back door or even a balcony if they can climb up to one.
so every potential entry point needs to have a lock, and you need to use it. while all your doors will have locks already, your windows may not, especially in older homes.
even if you have locks on all of your potential entry points, some of them may be easily broken with brute force. this is more likely to be the case with windows.
upgrading your door and windows locks to some with heavy-duty construction and modern designs could help to stop a burglar in their tracks.
taking away the element of stealth for a burglar can 