Glossary · Nouns · I
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TermTypeDefinitionClassificationsUpdated
ICTnounInformation and communications technologies. ICT can also be read as IT (information technology) in this document.System
ICT supply chain threatnounMWEA man-made threat achieved through exploitation of the information and communications technology (ICT) system’s supply chain, including acquisition processes.ThreatRegulated
Icterusnounyellowing of the skin and the whites of the eyes caused by an accumulation of bile pigment (bilirubin) in the bloodverified
Ideal GasnounMWEa hypothetical gas with molecules of negligible size that exert no intermolecular forcesverified
Ideal SolidnounMWEany one of five solids whose faces are congruent regular polygons and whose polyhedral angles are all congruentverified
Idealisationnoun(psychiatry) a defense mechanism that splits something you are ambivalent about into two representations--one good and one badverified
Idealismnounimpracticality by virtue of thinking of things in their ideal form rather than as they really areverified
Idealizationnoun(psychiatry) a defense mechanism that splits something you are ambivalent about into two representations--one good and one badverified
Identical TwinnounMWEeither of two twins developed from the same fertilized ovum (having the same genetic material)verified
IdentificationnounAn act or process that presents an identifier to a system so that the system can recognize a system entity (e.g., user, process, or device) and distinguish that entity from all others.Process
Identification and AuthenticationnounMWEThe purpose of this function is to verify the identity of an entity through the use of specific credentials as a prerequisite for granting access to resources in an IT system.CapabilityRegulated
Identification ParticlenounMWEa tiny particle of material that can be added to a product to indicate the source of manufactureverified
IdentifiernounA data object - often, a printable, non-blank character string - that definitively represents a specific identity of a system entity, distinguishing that identity from all others.Data
identify and documentnounMWEEstablish, indicate, or verify who or what someone or something is and record that in detail through photography, writing, or other form.Process
Identify FunctionnounMWEDevelop the organizational understanding to manage cybersecurity risk to systems, assets, data, and capabilities.Capability
identitynounThe set of attribute values (i.e., characteristics) by which an entity is recognizable and that, within the scope of an identity manager’s responsibility, is sufficient to distinguish that entity from any other entity.Identity
identity and access managementnounMWEThe methods and processes used to manage subjects and their authentication and authorizations to access specific objects.Capability
Identity BindingnounMWEBinding of the vetted claimed identity to the individual (through biometrics) according to the issuing authority.ProcessRegulatedPII
Identity CrisisnounMWEdistress and disorientation (especially in adolescence) resulting from conflicting pressures and uncertainty about one's self and one's role in societyverified
identity managementnounMWEThe purpose of this task is to implement a set of functions and capabilities used for assurance of identity information (e.g., identifiers, credentials, attributes).CapabilityRegulatedPII
Identity ProofingnounMWEThe process by which a Credentials Service Provider (CSP) and a Registration Authority (RA) collect and verify information about a person for the purpose of issuing credentials to that person.ProcessRegulatedPII
Identity RegistrationnounMWEThe process of making a person’s identity known to the Personal Identity Verification (PIV) system, associating a unique identifier with that identity, and collecting and recording the person’s relevant attributes into the system.ProcessRegulatedPII
Identity TheftnounMWEthe co-option of another person's personal information, such as their name, Social Security number, credit card number, or passport, without that person's knowledge and the fraudulent use of such knowledgeverified
Identity TokennounMWESmart card, metal key, or other physical object used to authenticate identity.Credential
Identity ValidationnounMWETests enabling an information system to authenticate users or resources.Control
Identity VerificationnounMWEThe process of confirming or denying that a claimed identity is correct by comparing the credentials (something you know, something you have, something you are) of a person requesting access with those previously proven and stored in the PIV Card of system and associated with the identity being claimed.Process
Identity-Based Access ControlnounMWEAccess control based on the identity of the user (typically relayed as a characteristic of the process acting on behalf of that user) where access authorizations to specific objects are assigned based on user identity.Control
Identity-Based Security PolicynounMWEA security policy based on the identities and/or attributes of the object (system resource) being accessed and of the subject (user, group of users, process, or device) requesting access.Requirement
Ideogramnouna graphic character that indicates the meaning of a thing without indicating the sounds used to say itverified
Ideographnouna graphic character that indicates the meaning of a thing without indicating the sounds used to say itverified
Ideological BarriernounMWEa barrier to cooperation or interaction resulting from conflicting ideologiesverified
Idesnounin the Roman calendar: the 15th of March or May or July or October or the 13th of any other monthverified
Idesianoundeciduous roundheaded Asiatic tree widely grown in mild climates as an ornamental for its heart-shaped leaves and fragrant yellow-green flowers followed by hanging clusters of fleshy orange-red berriesverified
Idiomnounan expression whose meaning cannot be inferred from the meanings of the words that make it upverified
Idiomatic ExpressionnounMWEan expression whose meanings cannot be inferred from the meanings of the words that make it upverified
Idiopathic Thrombocytopenic PurpuranounMWEpurpura associated with a reduction in circulating blood platelets which can result from a variety of factorsverified
Idiot BoxnounMWEan electronic device that receives television signals and displays them on a screenverified
Idiot SavantnounMWEperson who is mentally retarded in general but who displays remarkable aptitude in some limited field (usually involving memory)verified
Idle PulleynounMWEa pulley on a shaft that presses against a guide belt to guide or tighten itverified
Idle WheelnounMWEa pulley on a shaft that presses against a guide belt to guide or tighten itverified
Idler PulleynounMWEa pulley on a shaft that presses against a guide belt to guide or tighten itverified
Idyllnounan episode of such pastoral or romantic charm as to qualify as the subject of a poetic idyllverified
IEEE 802.11nounMWEA family of specifications developed by the Institute of Electrical and Electronics Engineers (IEEE) for wireless local area network (WLAN) technology. 802.11 specifies an over-the-air interface between a wireless client and a base station or between two wireless clients.Network
ifnounThis limits a Control or Mandate's secondary verb to be put into play should the event occur.Requirement