Glossary · Nouns · U
L1 — paginated flat list. Pick a POS, pick a letter.
TermTypeDefinitionClassificationsUpdated
unapproved Information Technology resourcenounMWEAn unsanctioned Information Technology resource.SystemRegulated
Unaunouna sloth of Central America that has two long claws on each forefoot and three long claws on each hindfootverified
unauthorized accessnounMWEOccurs when a user, legitimate or unauthorized, accesses a resource that the user is not permitted to use.EventRegulated
unauthorized access is detectednounMWEThis Triggering Event takes place when a person, legitimate or unauthorized, accesses a resource that the person is not permitted to use or enters a facility or area the person is not permitted to enterEventRegulated
unauthorized attemptnounMWEA try at gaining access to a system without authorization or approval.EventRegulated
unauthorized changenounMWEA purposeful and perhaps unlawful modification of financial data to hide wrong-doing, loss or other disclosure.EventRegulated
Unauthorized DisclosurenounMWEAn event involving the exposure of information to entities not authorized access to the information.EventRegulated
unauthorized mobile codenounMWEA program (e.g., script, macro, or other portable instruction) that can be shipped unchanged to a heterogeneous collection of platforms and executed with identical semantics -- that has not been permitted by the controlling authority.ThreatRegulated
unauthorized personnelnounMWEEmployees who do not have the right or permission to access data (or a facility containing data).Identity
unauthorized physical accessnounMWEAccess to a building, room, site, etc that is not permitted.EventRegulated
unauthorized softwarenounMWEAn application or device driver who use is not been permitted by the controlling authority.ThreatRegulated
unauthorized usenounMWEUse of an asset for a person's own purpose without the consent of the owner.ThreatRegulated
Unavoidable CasualtynounMWEa natural and unavoidable catastrophe that interrupts the expected course of eventsverified
UncertaintynounThe difficulty of predicting an outcome due to limited knowledge of all componentsMetric
Uncertainty PrinciplenounMWE(quantum theory) the theory that it is impossible to measure both energy and time (or position and momentum) completely accurately at the same timeverified
UnclassifiednounInformation that has not been determined pursuant to E.O. 12958, as amended, or any predecessor order, to require protection against unauthorized disclosure and that is not designated as classified.RequirementRegulatedCUI
Uncle TomnounMWE(ethnic slur) offensive and derogatory name for a Black man who is abjectly servile and deferential to Whitesverified
Uncomfortablenessnounembarrassment deriving from the feeling that others are critically aware of youverified
Uncommonnessnounextraordinariness as a consequence of being marked by an uncommon or superlative qualityverified
Unconscious MindnounMWEthat part of the mind wherein psychic activity takes place of which the person is unawareverified
Unctionnounsemisolid preparation (usually containing a medicine) applied externally as a remedy or for soothing an irritationverified
Underachievernouna student who does not perform as well as expected or as well as the IQ indicatesverified
Underbrushnounthe brush (small trees and bushes and ferns etc.) growing beneath taller trees in a wood or forestverified
Undercover AgentnounMWE(military) a secret agent hired by a state to obtain information about its enemies or by a business to obtain industrial secrets from competitorsverified
Undercover OperationnounMWEan operation involving secret work within a community or institutionverified
Underdevelopmentnoun(photography) inadequate processing of film resulting in inadequate contrastverified
UnderfittingnounUnderfitting occurs when a statistical model cannot adequately capture the underlying structure of the data.Vulnerability
Underground PressnounMWEa system of clandestine printing and distribution of dissident or banned literatureverified
Undergrowthnounthe brush (small trees and bushes and ferns etc.) growing beneath taller trees in a wood or forestverified