The Inner & Outer Circle Relationship – Part 1: Access Control

  Circles of Security Circles of Security, as has been explained in a previous article, constitute one of the most important ideas in preventive security. This concept, which is most commonly applied to facilities and campuses, draws two general circles around the asset or property in question – the Inner Circle and the Outer Circle.… Read More The Inner & Outer Circle Relationship – Part 1: Access Control