Access control list (ACL) A list of rules that control the manner in which a resource may be accessed.
Accreditation The formal acceptance of the adequacy of a system’s overall security and functionality by management.
Administrative control Security mechanisms implemented by management primarily through policies and procedures; also known as a management or policy control.
Advanced persistent threat (APT) The name given to any number of stealthy and continuous computer-hacking efforts, often coordinated and executed by an organization or government with significant resources over a longer period of time.
Anomaly analysis Any technique focused on measuring the deviation of some observation from some baseline and determining ...