climber using giant suction cups scaled the exterior. and everything inside trump tower will have to be secured from the air vents to the elevators, even floors surrounding the president-elect's penthouse apartment, and his office on the 26th floor. >> the standard general rule when you're doing a security advances is one floor below, one above. but that doesn't always work. >> reporter: screening now a way of life. with anyone going in or out of the building. 58 stories of residents and commercial tenants all screened, including packages, mail, and deliveries. >> the extent you can avoid the immediate area around trump tower, that will make your life and everyone else's life easier. >> reporter: the build willing be protected by nypd and the secret service 24 hours a day, and a team in charge of securing and maintaining an area for top secret conversations.