Glossary of Terms

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I

I Didn't Change Anything!

I See No X Here

I&A

I&A/D1

I&A/D2

I/O

IAC

IBAC

Ice

ICMP (Internet Control Message Protocol)

ICMP control messages

ICMP destination unreachable

ICMP source quench

ICMP time exceeded

ICU

IDEA

Identification And Authentication

Identity management

Identity Validation

Identity-Based Security Policy

IDN

IDS

IEMATS

IETF (Internet Engineering Task Force)

If You Want X, You Know Where To Find It.

IFF

IFFN

II

IIRK

IIS

IKE

ILS

IM

Imagery

Imagery Intelligence

Imagery Interpretation

IMAP (Internet Message Access Protocol)

IMHO

IMINT

Imitative Communications

Imitative Communications Deception

Imminent Death Of The Net Predicted!

IMP

Impact Delay Interval

Impacted Assets

Implant

Implementation (Life Cycle)

Implementation Verification

Impulsive Emanation

IN

IN/1

IN/1+

IN/2

Ina Jo

Ina Jo (formal Development Methodology)

Inadvertent Disclosure

Inc

Incident analysis

Incident Response

Incident severity

Include

Incomplete Parameter

Incomplete Parameter Checking

Incremental backup

Index

Individual Accountability

Industrial Espionage

Industrial Security

Inetd

INF

Infant Mortality

Inference Engine

Infinite-Monkey Theorem

Infix

Infocom

Information And Indicator Sources

Information Availability

Information Bit

Information Categorization

Information Channel

Information Classification

Information Collection

Information Collection And Sharing

Information Confidentiality

Information Control

Information Criticality

Information Feedback

Information Field

Information Flow

Information Flow Analysis

Information Flow Control

Information Integrity

Information Label

Information Ownership

Information Perishability

Information Processing

Information Processing Center

Information Ratio

Information Resource Management

Information Resource Owner/Custodian

Information Resources Management

Information Security

Information Security Policy

Information Sensitivity

Information Source

Information States

Information System

Information System Abuse

Information System Security

Information System Security Officer

Information Systems

Information Systems Security

Information Systems Security Officer

Information Systems Security Product

Information Systems Security Products And Services Catalogue

Information Technology

Information Technology Facility

Information Technology Installation

Information Transfer

Information Valuation

Information warfare

Information-Transfer Phase

Information-Transfer Transaction

INFOSEC

Ingress filtering

Initial authentication stage

Initial negotiation

Initial Product Assessment Report

Input

Input/output Device

Input-Output Channel

Input-Output Controller

Inspectable Space

Instant messaging (IM)

Instruction Processor

Instrumentation Signals Intelligence

Integrated Digital Network

Integrated Services Digital Network

Integrated Station

Integrated System

Integrated Voice Data Terminal

Integrity Check Value

Intellectual property

Intellectual Property Rights

Intelligence Collection

Intelligence Cycle

Intelligence Estimate

Intelligence Information

Intelligence Life

Intelligence Processing

Intelligence Production

Intelligence System

Intelligent Network

Intelligent Peripheral

Intelligent Terminal

Interactive Computing

Interactive Data Transaction

Interagency Sharing Of Information Technology Facilities

Interim Approval

Interim Approval To Operate

Internal auditing

Internal Control Documentation

Internal Control Report

Internal Control Review

Internal Control System

Internal Controls

Internal Controls And Security

Internal firewall

Internal Memory

Internal Protected Distribution System

Internal Security Audit

Internal Security Controls

Internal Storage

International Espionage

International Organization for Standardization (ISO)

International Security Considerations

International Standards Organization

International Telecommunications Union–Telecommunications Standards Sector (ITU-T)

Internet Address

Internet Control Message Protocol (ICMP)

Internet Engineering Task Force (IETF)

Internet Information Server (IIS)

Internet Key Exchange (IKE)

Internet Message Access Protocol (IMAP)

Internet Official Protocol Standards

Internet Private Line

Internet Private Line Interface

Internet Protocol

Internet Protocol (IP)

Internet Security

Internet Server Application Programming Interface (ISAPI)

Internet use policy

Internetwork Connection

Internetwork Operating System (IOS)

Internetworking

Interoperability

Interoperability Standard

Interorganizational systems

Interprocess Communication (IPC)

Interrupt Handlers

Interrupt List, The

Interrupted Isochronous Transmission

Interrupts And Traps

Interrupts Locked Out

Introduction To Certification And Accredidation

Intrusion Detection

Intrusion detection system (IDS)

Intrusion Deterrents

INTSEC

Investigation Of Security Breaches

Investigation(s)

Investigative Authorities

IOC

IOS (Internetwork Operating System)

IOSS

IOT&E

IP

IP (Internet Protocol)

IP address hiding

IP address spoofing

IP security (IPsec)

IPAR

IPC

IPM

IPsec (IP security)

IPsec gatekeeper

IPSO

IRC

IRK

IRM

Iron

IS

IS Program Budgeting

IS Security Program Planning

ISAPI

ISDN

ISINT

ISM

ISO

Isochronous Burst Transmission

Isolation And Mediation

Isolation Of User Programs

ISRD

ISS

ISSO

IT

IT Asset Valuation

IT infrastructure

ITAR

Items Of Intrinsic Military Utility

ITF

ITM

ITS

ITU-T (International Telecommunications Union–Telecommunications Standards Sector)

IV&V

IVDT

IWBNI

Interrupt

A suspension of a process, such as the execution of a computer program, caused by an event external to that process, and performed in such a way that the process can be resumed. (FP) (ISO)
n. On a computer, an event that interrupts normal processing and temporarily diverts flow-of-control through an "interrupt handler" routine. See interruption.