NISTIR 7298 Revision 1, Glossary of Key Information Security Terms

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NIST IR 7298 Revision 1, Glossary of Key Information Security Terms Line of Business – The following OMB-defined process areas common to virtually all federal agencies: Case Management, Financial Management, Grants Management, Human Resources Management, Federal Health Architecture, Information Systems Security, Budget Formulation and Execution, Geospatial, and IT Infrastructure. SOURCE: SP 800-53 “Lines of business” or “areas of operation” describe the purpose of government in functional terms or describe the support functions that the government must conduct in order to effectively deliver services to citizens. Lines of business relating to the purpose of government and the mechanisms the government uses to achieve its purposes tend to be mission-based. Lines of business relating to support functions and resource management functions that are necessary to conduct government operations tend to be common to most agencies. The recommended information types provided in NIST SP 800-60 are established from the “business areas” and “lines of business” from OMB’s Business Reference Model (BRM) section of Federal Enterprise Architecture (FEA) Consolidated Reference Model Document Version 2.3 SOURCE: SP 800-60 Link Encryption – Link encryption encrypts all of the data along a communications path (e.g., a satellite link, telephone circuit, or T1 line). Since link encryption also encrypts routing data, communications nodes need to decrypt the data to continue routing. SOURCE: SP 800-12 Encryption of information between nodes of a communications system. SOURCE: CNSSI-4009 List-Oriented – Information system protection in which each protected object has a list of all subjects authorized to access it. SOURCE: CNSSI-4009 Local Access – Access to an organizational information system by a user (or process acting on behalf of a user) communicating through a direct connection without the use of a network. SOURCE: SP 800-53; CNSSI-4009 Local Authority – Organization responsible for generating and signing user certificates in a PKI-enabled environment. SOURCE: CNSSI-4009 Pg 112
NIST IR 7298 Revision 1, Glossary of Key Information Security Terms Local Management Device/Key Processor (LMD/KP) – Local Registration Authority – (LRA) EKMS platform providing automated management of COMSEC material and generating key for designated users. SOURCE: CNSSI-4009 A Registration Authority with responsibility for a local community. SOURCE: SP 800-32 A Registration Authority with responsibility for a local community in a PKI-enabled environment. SOURCE: CNSSI-4009 Logic Bomb – A piece of code intentionally inserted into a software system that will set off a malicious function when specified conditions are met. SOURCE: CNSSI-4009 Logical Completeness Measure – Means for assessing the effectiveness and degree to which a set of security and access control mechanisms meets security specifications. SOURCE: CNSSI-4009 Logical Perimeter – A conceptual perimeter that extends to all intended users of the system, both directly and indirectly connected, who receive output from the system without a reliable human review by an appropriate authority. The location of such a review is commonly referred to as an “air gap.” SOURCE: CNSSI-4009 Long Title – Descriptive title of a COMSEC item. SOURCE: CNSSI-4009 Low Impact – The loss of confidentiality, integrity, or availability that could be expected to have a limited adverse effect on organizational operations, organizational assets, individuals, other organizations, or the national security interests of the United States; (i.e., 1) causes a degradation in mission capability to an extent and duration that the organization is able to perform its primary functions, but the effectiveness of the functions is noticeably reduced; 2) results in minor damage to organizational assets; 3) results in minor financial loss; or 4) results in minor harm to individuals). SOURCE: CNSSI-4009 Low-Impact System – An information system in which all three security objectives (i.e., confidentiality, integrity, and availability) are assigned a FIPS 199 potential impact value of low. SOURCE: SP 800-37; SP 800-53; SP 800-60; FIPS 200 Pg 113
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NIST IR 7298, Glossary of Key Infor
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NISTIR 7298 Revision 1, Glossary of Key Information Security Terms

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