What is NOT one of the three aspects of the security triangle?

The correct choice regarding what is not one of the three aspects of the security triangle is preparation. The security triangle is commonly understood as a framework that consists of three crucial components: ability, opportunity, and desire.

Ability relates to the skills or means someone has to commit a crime, opportunity refers to the circumstances that allow a crime to occur, and desire represents the motivation or inclination to carry out the act. These three elements must be present for criminal behavior to take place, forming the basis of the security triangle concept.

Preparation, while important in many security contexts, does not fit within this specific framework. It might serve as a general concept in law enforcement or crime prevention strategies, but it does not directly apply to the fundamental aspects of the security triangle, which focus on the core components that lead to criminal activity.