One of the safest security mechanisms nowadays is biometric security. Biometric security ensures access is given only to specific people, making it more reliable because it does not depend on cards, keys, or passcodes that can easily be stolen or hacked. So, what is a biometric lock safe? Biometric security is used not only for entering buildings or for accessing vaults. It is also attached to safes to make sure that valuable possessions are exclusively accessible for the owner.