Your First line of defense is the hardware on your door. The deadbolt and latch everyone has and everyone needs. Its the most basic security no one should go without. Look through both and find what fits your needs!
The residential deadbolt is a must on every door that leads to the outside. Helps prevents break ins and people kicking in your door. The deadbolt is your residential security work horse.
Latches can be on the doors to the outside or the doors in your house. Whether you want to add an extra layer of security on the front door or just want some privacy in your bedroom. The door latch is always a good idea to have on your doors in your home.