Glossary · MWE Terms · I
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TermTypeDefinitionClassificationsUpdated
Initial RhymenounMWEuse of the same consonant at the beginning of each stressed syllable in a line of verseverified
initial trainingnounMWEA mandatory, foundational program of security and privacy instruction that an organization delivers to personnel at the point of onboarding or before access to systems is granted, establishing baseline awareness of policies, risks, and responsibilities before any ongoing or periodic refresher training begins. It is distinguished from recurring annual or ad hoc training by its timing—it is a prerequisite condition for system access—and by its comprehensive scope, covering the full range of applicable security and privacy obligations rather than incremental or topical updates. Across the field, it anchors a two-phase training lifecycle: the initial delivery sets the baseline, and subsequent periodic cycles (annual, event-triggered, or role-change-triggered) build upon it.verified
Initialization VectornounMWEA vector used in defining the starting point of an encryption process within a cryptographic algorithm.verified
Ink-Jet PrinternounMWEa printer that produces characters by projecting electrically charged droplets of inkverified
Inky-Cap MushroomnounMWEhaving a cap that melts into an inky fluid after spores have maturedverified
Inland BillnounMWEa bill of exchange that is both drawn and made payable in the same countryverified
Inlet ManifoldnounMWEmanifold that carries vaporized fuel from the carburetor to the inlet valves of the cylindersverified
Innate ImmunitynounMWEimmunity to disease that occurs as part of an individual's natural biologic makeupverified
Inner CitynounMWEthe older and more populated and (usually) poorer central section of a cityverified
Innominate ArterynounMWEa large artery arising from the arch of the aorta and divides into the right subclavian artery and the right common carotid arteryverified
Innominate VeinnounMWEveins formed by the union of the internal jugular and subclavian veinsverified
Inorganic ChemistrynounMWEthe chemistry of compounds that do not contain hydrocarbon radicalsverified
Input DatanounMWE(computer science) a computer file that contains data that serve as input to a device or programverified
Input DevicenounMWEa device that can be used to insert data into a computer or other computational deviceverified
Input FilenounMWE(computer science) a computer file that contains data that serve as input to a device or programverified
Input Validation AttacksnounMWEInput Validations Attacks are where an attacker intentionally sends unusual input in the hopes of confusing an application.verified
Insanity PleanounMWE(criminal law) a plea in which the defendant claims innocence due to mental incompetence at the timeverified
Insertional MutagenesisnounMWE(genetics) a mutation caused by the insertion of exogenous DNA into a genomeverified
Inside JobnounMWEsome transgression committed with the assistance of someone trusted by the victimverified
Inside LoopnounMWEa loop consisting of a climb followed by inverted flight followed by a dive that returns to horizontal flightverified
Inside ThreatnounMWEAn entity with authorized access that has the potential to harm an information system through destruction, disclosure, modification of data, and/or denial of service.verified
inside( r) threatnounMWEA person or group of persons within an organization who pose a potential risk through violating security policies.verified
Insider AttacknounMWEThose who are within [an] organisation may have authorised access to vast amounts of sensitive company records that are essential for maintaining competitiveness and market position, and knowledge of information services and procedures that are crucial for daily operations. . . .[and] should an individual choose to act against the organisation, then with their privileged access and their extensive knowledge, they are well positioned to cause serious damage.verified
Insider InformationnounMWEimportant information about the plans or condition of a corporation that has not been released to the publicverified
insider threatnounMWEThe threat that an insider will use their authorized access, wittingly or unwittingly, to do harm to the security of the United States. This threat can include damage to the United States through espionage, terrorism, unauthorized disclosure, or through the loss or degradation of departmental resources or capabilities.verified
Insider TradingnounMWEbuying or selling corporate stock by a corporate officer or other insider on the basis of information that has not been made public and is supposed to remain confidentialverified
Inspectable SpacenounMWEThree dimensional space surrounding equipment that processes classified and/or sensitive information within which TEMPEST exploitation is not considered practical or where legal authority to identify and remove a potential TEMPEST exploitation exists. Synonymous with zone of control.verified
Instance WeightnounMWEA numerical value that multiplies the contribution of a data point in a model.verified
Instant ReplaynounMWEthe immediate rebroadcast of some action (especially sports action) that has been recorded on videotapeverified
Instantaneous Sound PressurenounMWEthe difference between the instantaneous pressure at a point in a sound field and the average pressure at that pointverified
Institute of Electrical and Electronics EngineersnounMWEPronounced I-triple-E; IEEE is an organization composed of engineers, scientists and students Scope Note: Best known for developing standards for the computer and electronics industryverified
Instruction ExecutionnounMWE(computer science) the process of carrying out an instruction by a computerverified
Instruction ManualnounMWEa manual usually accompanying a technical device and explaining how to install or operate itverified
Instrument of ExecutionnounMWEan instrument designed and used to take the life of a condemned personverified
Instrument of TorturenounMWEan instrument of punishment designed and used to inflict torture on the condemned personverified
Instrument PanelnounMWEelectrical device consisting of a flat insulated surface that contains switches and dials and meters for controlling other electrical devicesverified
Instrumental ConditioningnounMWEoperant conditioning that pairs a response with a reinforcement in discrete trialsverified
Instrumental MusicnounMWEmusic intended to be performed by a musical instrument or group of instrumentsverified
Instrumental RolenounMWEthe semantic role of the entity (usually inanimate) that the agent uses to perform an action or start a processverified
Insulating MaterialnounMWEa material that reduces or prevents the transmission of heat or sound or electricityverified
Insulating TapenounMWEa water-resistant adhesive tape used to insulate exposed electrical conductorsverified
Insulin ReactionnounMWEhypoglycemia produced by excessive insulin in the system causing comaverified