If badges are the selected means of employee identification by a security officer or by a badge reader, those who arrive without them should be directed to an alternate entrance. If security officers are distracted because they must examine other identification or issue temporary passes, it is simple for others to enter unchecked. Different business settings or building structures such as high-rise office buildings provide the biggest challenge to effective entry control. A separate area for visitor processing is preferable as is a messenger center for packages, lunches, and unusual deliveries. Messengers should not be permitted to roam the building freely.
Multitenant buildings are more difficult to secure.
Building management may provide security officers with sign in sheets for off-hours. The officers may challenge anyone carrying out a package without a property pass. However, these controls are usually worthless. Anyone, even a person who looks like a derelict, with an envelope or a box of sandwiches along with a company and employee name perhaps taken from the building directory has access to the elevator banks. A tenant that occupies multiple floors and enjoys a dedicated elevator bank can provide effective security at the elevator bank lobby.