Risk - A measure of the extent to which an entity is threatened by a potential circumstance of event, the adverse impacts that would arise if the circumstance or event occurs, and the likelihood of occurrence.
Protection Needs Assessment - The method used to identify the confidentiality, integrity, and availability requirements for organizational and system assets and to characterize the adverse impact or consequences should be asset be lost, modified, degraded, disrupted, compromised, or become unavailable.
Threat assessment - The method used to identify and characterize the dangers anticipated throughout the life cycle of the system.
Security Risk Treatment - The method used to identify feasible security risk mitigation options and plans.