People can still come up behind you from a different direction. Maybe they should consider a curved wall to mount this thing on. And also have that wall be co

People can still come up behind you from a different direction. Maybe they should consider a curved wall to mount this thing on. And also have that wall be completely smooth with no way to mount a camera that can detect your pin. Where you enter your card should also be very clear and impossible to cover up with a fake card reader.