Hotels in the US by far do not have security. It depends how large the hotel. Typically, places with large meeting spaces or banquet halls with a few hundred rooms and bars/restaurants will have security.

But your typical mid market hotel in the ~80 room to ~160 room range like Hampton Inn, Residence Inn, or Holiday Inn Express will not have any security, or anyone on property other than 1, maybe 2 people working the front desk. And they certainly aren't going to do anything other than call the police if something happens.

And the police may also choose not to do something if they don't feel like doing anything.