Cyber Security Glossary

Find definitions for IT security and compliance in our online glossary of key terms, acronyms, and vocabulary.

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  • Term
    Definition
  • Computer forensics is the use of specialized techniques for recovery, authentication, and analysis of electronic data when a case involves issues relating to reconstruction of computer usage, examination of residual data, authentication of data by technical analysis or explanation of(...)
  • The science of obtaining, preserving, and documenting evidence from digital electronic storage devices, such as computers, pagers, PDAs, digital cameras, cell phones, and various memory storage devices. All must be done in a manner designed to preserve the probative value of the evidence and(...)
  • Definition: The actions taken to defend against unauthorized activity within computer networks.
  • Definition: In the NICE Framework, cybersecurity work where a person: Uses defensive measures and information collected from a variety of sources to identify, analyze, and report events that occur or might occur within the network in order to protect information, information systems, and(...)
  • Definition: In the NICE Framework, cybersecurity work where a person: Tests, implements, deploys, maintains, reviews, and administers the infrastructure hardware and software that are required to effectively manage the computer network defense service provider network and resources; monitors(...)
  • Refers to the entire computing environment. This environment may consist of one large computer serving many users (e.g. a mainframe or mini- computer) or one or more personal computers working individually or linked together through a network. A computer system includes all hardware and(...)
  • "The digital process of perceiving and learning visual tasks in order to interpret and understand the world through cameras and sensors."
  • "Use of a system outside the planned domain of application, and a common cause of performance gaps between laboratory settings and the real world."
  • Definition: A property that information is not disclosed to users, processes, or devices unless they have been authorized to access the information.Related Term(s): availability, integrity
  • "A matrix showing the predicted and actual classifications. A confusion matrix is of size LxL, where L is the number of different label values"
  • "‘Consent’ of the data subject means any freely given, specific, informed and unambiguous indication of the data subject's wishes by which he or she, by a statement or by a clear affirmative action, signifies agreement to the processing of personal data relating to him or her."
  • Definition: In cybersecurity, the effect of a loss of confidentiality, integrity or availability of information or an information system on an organization's operations, its assets, on individuals, other organizations, or on national interests.
  • "independent system that forms part of a system of systems (SoS) (note: Constituent systems can be part of one or more SoS. Each constituent system is a useful system by itself, having its own development, management, utilization, goals, and resources, but interacts within the SoS to provide(...)
  • "Specification of what may be contained in a data or metadata set in terms of the content or, for data only, in terms of the set of key combinations to which specific attributes (defined by the data structure) may be attached."
  • "the degree to which the application of constructs to phenomena is warranted with respect to the research goals and questions."
  • "the psychological, social, physical, or other harms experienced by someone while they are interacting with content that is algorithmically recommended to them."
  • "Refers to the extent to which a measure thoroughly and appropriately assesses the skills or characteristics it is intended to measure."
  • "A contestable statement, claim, legal decision, etc. is one that is possible to argue about or try to have changed because it may be wrong"
  • "The context is the circumstances, purpose, and perspective under which an object is defined or used."
  • ""
  • "The Context of Use is the actual conditions under which a given artifact/software product is used, or will be used in a normal day to day working situation."
  • "A computing system with sufficient knowledge regarding its purpose that it understands the source, relevance, and utility of data and inputs."
  • Definition: A document that sets forth procedures for the continued performance of core capabilities and critical operations during any disruption or potential disruption.Related Term(s): Business Continuity Plan, Disaster Recovery Plan, Contingency Plan
  • "(control group) the set of observations in an experiment or prospective study that do not receive the experimental treatment(s). These observations serve (a) as a comparison point to evaluate the magnitude and significance of each experimental treatment, (b) as a reality check to compare the(...)
  • "property of a system that allows a human or another external agent to intervene in the system’s functioning; such a system is heteronomous."