Are you talking about the lock cylinder being anti-theft?

Nowadays, many people are too lazy to use the key when going out.

Backlock

So a kind of

anti-lock

Lock, but you have to lift the handle upward to lift the lock, so there is another kind of automatic lock

Automatic lock

But whether it is a reverse lift lock or an automatic lock, You don't need a key to lock the door, but the inner handle still opens when you press it. These easy loopholes make it easy for burglaries to occur

Break-ins