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Glossary · Nouns · C

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TermTypeDefinitionClassificationsUpdated
cybersecurity activitynounMWESecurity controls that are specific to the realm of Cybersecurity.ProcessAug 30, 2026
Cybersecurity and Infrastructure Security AgencynounMWECISA: Cybersecurity and Infrastructure Security AgencyOrganizationRegulatedAug 30, 2026
Cybersecurity architecturenounMWEDescribes the structure, components and topology (connections and layout) of security controls within an enterprise's IT infrastructure Scope Note: The security architecture shows how defense-in-depth is implemented and how layers of control are linked and is essential to designing and implementing security controls in any complex environment.CapabilityMay 9, 2026
cybersecurity awarenessnounMWEThe extent to which individuals of an organization or those who have access to an organizations information understand their individual responsibilities regarding cybersecurity risks and the need to identify, assess, and mitigate these risks in light of the increasing volume and sophistication of cyber threats.CapabilityInternalAug 30, 2026
Cybersecurity CategorynounMWEThe subdivision of a Function into groups of cybersecurity outcomes, closely tied to programmatic needs and particular activities. Examples of Cybersecurity Categories include “Asset Management,” “Identity Management and Access Control,” and “Detection Processes.”.FrameworkMay 9, 2026
cybersecurity controlnounMWEPractices and procedures established to protect organizational assets, user assets, and the cyber environment from unauthorized access, use, disclosure, disruption, modification, or destruction in order to provide integrity, confidentiality, and availability.ControlRegulatedMay 9, 2026
cybersecurity eventnounMWEAny act or attempt, successful or unsuccessful, to gain unauthorized access to, disrupt or misuse an Information System or information stored on such Information System.EventRegulatedMay 9, 2026
Cybersecurity Framework CorenounMWEA set of cybersecurity activities and references that are common across critical infrastructure sectors and are organized around particular outcomes. The Framework Core comprises four types of elements: Functions, Categories, Subcategories, and Informative References.FrameworkPublicAug 30, 2026
Cybersecurity Framework Implementation TiernounMWEA lens through which to view the characteristics of an organization’s approach to risk—how an organization views cybersecurity risk and the processes in place to manage that risk.FrameworkInternalAug 30, 2026
cybersecurity functionnounMWEOne of the main components of the Cybersecurity Framework. Cybersecurity functions provide the highest level of structure for organizing basic cybersecurity activities into Cybersecurity Categories and Cybersecurity Subcategories. The five Cybersecurity functions are the Identify function, Protect function, Detect function, Respond function, and Recover function.CapabilityMay 9, 2026
cybersecurity incident responsenounMWEThe process of managing and resolving cybersecurity events that disrupt the organization's operations and restoring services.ProcessRegulatedAug 30, 2026
cybersecurity incident response groupnounMWEA group of people that prepares for and resolves events that disrupt an organization's cybersecurity operations.OrganizationAug 30, 2026
cybersecurity law, rule, or regulationnounMWEAny federal, state, or local statute or ordinance or any rule or regulation adopted according to any federal, state, or local statute or ordinance that deals specifically with the topic of protecting or defending computerized environments, organizational computerized assets, and user’s computerized assets.RequirementRegulatedMay 9, 2026
cybersecurity objectivesnounMWEObjectives that address the cybersecurity risks that could affect the achievement of the entity's overall business objectives (including compliance, reporting, and operational objectives).RequirementAug 30, 2026
Cybersecurity outcomenounMWEA Cybersecurity outcome is the business need defined and tiered implementation of the outcomes listed in either the Categories or Subcategories section of Table 2 in the NIST Cybersecurity Framework.RequirementRegulatedAug 30, 2026
cybersecurity patchnounMWEComputer code intended to fix a cybersecurity vulnerability.ControlRegulatedMay 9, 2026
cybersecurity personnelnounMWEAll people who are employed by an organization to perform cybersecurity activities.RoleMay 9, 2026
cybersecurity plannounMWEFormal document that provides an overview of the cybersecurity requirements for an Information Technology and industrial control system and describes the cybersecurity controls in place or planned for meeting those requirements.RequirementRegulatedCUIMay 9, 2026
cybersecurity policynounMWEA set of criteria for the provision of security services.RequirementRegulatedAug 30, 2026
cybersecurity procedurenounMWEA detailed description of the steps necessary to implement cybersecurity in conformance with applicable standards.RequirementMay 9, 2026
Cybersecurity ProfilenounMWEA representation of the outcomes that a particular system or organization has selected from the Framework Categories and Subcategories.ArtifactInternalAug 30, 2026
cybersecurity programnounMWEAn integrated group of activities designed and managed to meet cybersecurity objectives for the organization and/or the function. A cybersecurity program may be implemented at either the organization or the function level, but a higher-level implementation and enterprise viewpoint may benefit the organization by integrating activities and leveraging resource investments across the entire enterprise.ProcessRegulatedAug 30, 2026
cybersecurity requirementnounMWERequirements levied on an Information Technology and Operations Technology that are derived from organizational mission and business case needs (in the context of applicable legislation, Executive Orders, directives, policies, standards, instructions, regulations, procedures) to ensure the confidentiality, integrity, and availability of the services being provided by the organization and the information being processed, stored, or transmitted.RequirementRegulatedAug 30, 2026
cybersecurity risknounMWEA risk to organizational operations, (including mission, functions, image, and reputation), resources, and other organizations due to the potential for unauthorized access, use, disclosure, disruption, modification, or destruction of information, Information Technology, and/or Operations Technology.ThreatRegulatedAug 30, 2026
cybersecurity risk managementnounMWEThe process of identifying risks and vulnerabilities and applying administrative actions and comprehensive solutions to ensure that the organization is adequately protected.ProcessAug 30, 2026
cybersecurity roles and responsibilitiesnounMWEThe functions and duties of personnel who are responsible for preventing cybersecurity events that disrupt operations or affected parties, assigned and performed in conformance with pertinent laws and standards.RoleMay 9, 2026
Cybersecurity SubcategorynounMWEThe subdivision of a Cybersecurity Category into specific outcomes of technical and/or management activities. Examples of Subcategories include “External information systems are catalogued,” “Data-at-rest is protected,” and “Notifications from detection systems are investigated.”.FrameworkAug 30, 2026
cybersecurity trainingnounMWEActivities that are used to teach people about tools, policies, security concepts, security safeguards, guidelines, risk management approaches, actions, training, best practices, assurance and technologies that can be used to protect the cyber environment and organization and user’s assets.ProcessInternalAug 30, 2026
cybersecurity updatenounMWEA widely released fix for a cybersecurity related vulnerability.ControlAug 30, 2026
cybersecurity vulnerabilitynounMWEA flaw in a organization's system which leaves it exposed to and defenseless against a cyberthreat.VulnerabilityMay 9, 2026
Cybersexnounsexual arousal involving communication on the internetverifiedMay 18, 2026
cyberspacenounA global domain within the information environment consisting of the interdependent network of information systems infrastructures including the Internet, telecommunications networks, computer systems, and embedded processors and controllers.NetworkMay 9, 2026
Cyberwarnounan assault on electronic communication networksverifiedMay 18, 2026
CyberwarfarenounActivities supported by military organizations with the purpose to threat the survival and well-being of society/foreign entityThreatRegulatedCUIMay 9, 2026
Cyborgnouna human being whose body has been taken over in whole or in part by electromechanical devicesverifiedMay 18, 2026
Cycadnounany tropical gymnosperm of the order CycadalesverifiedMay 18, 2026
Cycad FamilynounMWEancient palmlike plants closely related to ferns in that fertilization is by means of spermatozoidsverifiedMay 18, 2026
CyclamennounMediterranean plant widely cultivated as a houseplant for its showy dark green leaves splotched with silver and nodding white or pink to reddish flowers with reflexed petalsverifiedMay 18, 2026
Cycle of RebirthnounMWE(Hinduism) repeated rebirth in new formsverifiedMay 18, 2026
Cycle Per SecondnounMWEthe unit of frequencyverifiedMay 18, 2026
Cycle RickshawnounMWEa tricycle (usually propelled by pedalling)verifiedMay 18, 2026
Cycles/secondnounthe unit of frequencyverifiedMay 18, 2026
Cyclic DisordernounMWEa mild bipolar disorder that persists over a long timeverifiedMay 18, 2026
Cyclic NeutropenianounMWEneutropenia that occurs periodicallyverifiedMay 18, 2026
Cyclic Redundancy ChecknounMWESometimes called "cyclic redundancy code." A type of checksum algorithm that is not a cryptographic hash but is used to implement data integrity service where accidental changes to data are expected.ControlMay 9, 2026
Cyclical Redundancy ChecknounMWEError checking mechanism that verifies data integrity by computing a polynomial algorithm based checksum.ControlMay 9, 2026
Cyclicitynounthe quality of recurring at regular intervalsverifiedMay 18, 2026
Cyclingnounthe sport of traveling on a bicycle or motorcycleverifiedMay 18, 2026
Cyclistnouna person who rides a bicycleverifiedMay 18, 2026
Cyclobenzaprinenounmuscle relaxant (trade name Flexeril) used for muscle spasms or acute injuryverifiedMay 18, 2026
Cyclodestructive SurgerynounMWEan eye operation that treats glaucoma by destroying the ciliary body with a laserverifiedMay 18, 2026
Cyclohexanolnouna colorless oily alcohol that smells like camphorverifiedMay 18, 2026
Cyclohexanol PhthalatenounMWEthe cyclohexanol ester of phthalic acidverifiedMay 18, 2026
Cyclonenoun(meteorology) rapid inward circulation of air masses about a low pressure centerverifiedMay 18, 2026
Cyclone CellarnounMWEan underground shelter where you can go until a storm passesverifiedMay 18, 2026
Cyclooxygenasenouneither of two related enzymes that control the production of prostaglandins and are blocked by aspirinverifiedMay 18, 2026
Cyclooxygenase-1nounan enzyme that regulates prostaglandins that are important for the health of the stomach lining and kidneysverifiedMay 18, 2026
Cyclooxygenase-2nounan enzyme that makes prostaglandins that cause inflammation and pain and feververifiedMay 18, 2026
Cyclopaedianouna reference work (often in several volumes) containing articles on various topics (often arranged in alphabetical order) dealing with the entire range of human knowledge or with some particular specialtyverifiedMay 18, 2026
Cyclopean MasonrynounMWEa primitive style of masonry characterized by use of massive stones of irregular shape and sizeverifiedMay 18, 2026
Cyclopedianouna reference work (often in several volumes) containing articles on various topics (often arranged in alphabetical order) dealing with the entire range of human knowledge or with some particular specialtyverifiedMay 18, 2026
Cyclopianouna developmental abnormality in which there is only one eyeverifiedMay 18, 2026
Cyclopropanenouna colorless flammable gas sometimes used as an inhalation anestheticverifiedMay 18, 2026
Cyclopsnounminute free-swimming freshwater copepod having a large median eye and pear-shaped body and long antennae used in swimmingverifiedMay 18, 2026
Cycloramanouna picture (or series of pictures) representing a continuous sceneverifiedMay 18, 2026
Cycloserinenounan antibiotic that is especially active against the tubercle bacillusverifiedMay 18, 2026
Cyclosisnounthe circulation of cytoplasm within a cellverifiedMay 18, 2026
Cyclostomenounprimitive aquatic vertebrateverifiedMay 18, 2026
Cyclothymianouna mild bipolar disorder that persists over a long timeverifiedMay 18, 2026
Cyclothymic DisordernounMWEa mild bipolar disorder that persists over a long timeverifiedMay 18, 2026
Cyclotronnounan accelerator that imparts energies of several million electron-volts to rapidly moving particlesverifiedMay 18, 2026
Cydernouna beverage made from juice pressed from applesverifiedMay 18, 2026
Cygnetnouna young swanverifiedMay 18, 2026
Cylindernouna solid bounded by a cylindrical surface and two parallel planes (the bases)verifiedMay 18, 2026
Cylinder BlocknounMWEa metal casting containing the cylinders and cooling ducts of an engineverifiedMay 18, 2026
Cylinder HeadnounMWEa detachable plate that covers the closed end of a cylinder chamber in a reciprocating engine or pumpverifiedMay 18, 2026
Cylinder LocknounMWEa lock in which a cylinder rotates to move a boltverifiedMay 18, 2026
Cylinder PressnounMWEa printing press where the type is carried on a flat bed under a cylinder that holds paper and rolls over the typeverifiedMay 18, 2026
Cylindricalitynounthe roundness of a 3-dimensional cylinderverifiedMay 18, 2026
Cylindricalnessnounthe roundness of a 3-dimensional cylinderverifiedMay 18, 2026
Cylixnouna shallow drinking cup with two handlesverifiedMay 18, 2026
Cymanoun(architecture) a molding for a corniceverifiedMay 18, 2026
Cyma RectanounMWEa cyma in which the upper section is concave and the lower section is convexverifiedMay 18, 2026
Cyma ReversanounMWEa molding that (in section) has the shape of an S with the convex part above and the concave part belowverifiedMay 18, 2026
Cymatiumnoun(architecture) a molding for a corniceverifiedMay 18, 2026
Cymbalnouna percussion instrument consisting of a concave brass diskverifiedMay 18, 2026
Cymbalistnouna performer on the cymbalsverifiedMay 18, 2026
Cymbidnounany of various plants of the genus Cymbidium having narrow leaves and a long drooping cluster of numerous showy and variously colored boat-shaped flowersverifiedMay 18, 2026
Cymbidiumnounany of various plants of the genus Cymbidium having narrow leaves and a long drooping cluster of numerous showy and variously colored boat-shaped flowersverifiedMay 18, 2026
Cymenounmore or less flat-topped cluster of flowers in which the central or terminal flower opens firstverifiedMay 18, 2026
Cymenenounany of three isotopes of a colorless aromatic liquid hydrocarbon occurring in the volatile oil of cumin and thyme and used in the manufacture of synthetic resinsverifiedMay 18, 2026
Cymlingnounsquash plant having flattened round fruit with a scalloped edgeverifiedMay 18, 2026
Cymographnounscientific instrument consisting of a rotating drum holding paper on which a stylus traces a continuous record (as of breathing or blood pressure)verifiedMay 18, 2026
Cymulenouna small cyme, generally with few flowersverifiedMay 18, 2026
Cynancumnounany of various mostly giant tropical lianas of Africa and Madagascar having greenish or purple flowers and long smooth podsverifiedMay 18, 2026
Cynicnounsomeone who is critical of the motives of othersverifiedMay 18, 2026
Cynicismnouna cynical feeling of distrustverifiedMay 18, 2026
Cynipid Gall WaspnounMWEsmall solitary wasp that produces galls on oaks and other plantsverifiedMay 18, 2026
Cynipid WaspnounMWEsmall solitary wasp that produces galls on oaks and other plantsverifiedMay 18, 2026
Cynodontnounsmall carnivorous reptilesverifiedMay 18, 2026