Every industry has its own technical terms and common phrases that are understood by those who work in the industry but can be confusing for outsiders.

In Part I of this two-part article, “Defining Basic Tailgating Prevention Capabilities and Goals,” we organized different types of pedestrian security entrances into four distinct Capability Levels for combatting tailgating: Crowd Control, Deterrent, Detection and Prevention. We showed that each level has a different impact on an organization in terms of capital cost and whether security staff are recommended based on the entrance location and the need to respond to jumping over, crawling under, or other tailgating infractions.