face recognition singapore

Relatives to go to my cousin home today, my cousin told me she hasn’t let me go to her home to sit at home to rest, and said that she will be back to buy some food, I am strange, I don’t have a key to cousin home? How to go to her home, my cousin told me that let me have a look at the door of her home, the door will automatically open, I according to cousin did, the results really open the door, I asked my cousin what is the row, cousin said their home installed the face recognition of Singapore on the door, have recorded the last time my face, so just open today. I asked her to install the face recognition Singapore will not safe, she said the thief how to have no access to sweep the face?