What are the 3 main pillars of cyber security? The CIA triad refers to an information security model made up of the three main components: confidentiality, integrity and availability . Each component represents a fundamental objective of information security. DEFINITION confidentiality, integrity and availability (CIA triad) By Wesley Chai What is the CIA triad? Confidentiality, integrity and availability, also known as the CIA triad, is a model designed to guide policies for information security within an organization. The model is also sometimes referred to as the AIC triad (availability, integrity and confidentiality) to avoid confusion with the Central Intelligence Agency. Although elements of the triad are three of the most foundational and crucial cybersecurity needs, experts believe the CIA triad needs an upgrade to stay effective. In this context, confidentiality is a set of rules that limits access to information, integrity is the assurance ...