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Chapter One
Understand and Apply Concepts of Confidentiality, Integrity, and Availability

Security management concepts and principles are inherent elements in a security policy and solution deployment. They define the basic parameters needed for a secure environment. They also define the goals and objectives that both policy designers and system implementers must achieve to create a secure solution. It is important for real-world security professionals, as well as CISSP exam students, to understand these items thoroughly.

The primary goals and objectives of security are contained within the CIA Triad, which is the name given to the primary security principles:

  • Confidentiality

  • Integrity

  • Availability

Security controls are typically evaluated on how well they address these core information security tenets. Overall, a complete security solution should adequately address each of these tenets. Vulnerabilities and risks are also evaluated based on the threat they pose against one or more of the CIA Triad principles. Thus, it is a good idea to be familiar with these principles and use them as guidelines for judging all things related to security.