* An elevator is basically an open door to a building. * Every lift has mandated modes that allow an operator to take full control and override any building ac

* An elevator is basically an open door to a building. * Every lift has mandated modes that allow an operator to take full control and override any building access controls. * The security on these modes is poor. * Don't do dumb things with elevators I'd encourage you to watch it in full, as it is interesting and contains more detail than the above suggests.