Threat and vulnerability assessments are important PRIMARILY because they are the basis for setting control objectives. Control objectives are the desired outcomes or goals of implementing security controls in an information system. They are derived from the risk assessment process, which identifies and evaluates the threats and vulnerabilities that could affect the system's confidentiality, integrity and availability. By conducting threat and vulnerability assessments, an organization can determine the level of risk it faces and establish the appropriate control objectives to mitigate those risks.