Moved recently? Secure you home. Whether you are a homeowner, tenant or landlord, there are a wide range of people that may have a key to your home. Change to a Yale door cylinder now! Whether you are a homeowner, tenant or landlord, there are a wide range of people that may have a key to your home. Can you answer the question? You may think that you can easily answer the question: who’s got the keys to your home? But wait, it just isn’t that simple. We all lead busy lives, and over the years, for many different reasons you will have given the keys out tomany people from the decorator to the babysitter. You can’t always be at home, so it’s the convenient way to getjobs done, or let someone in when you’re not there. It’s an everyday occurrence, and helps us all get on with our day-to-day business.