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 Operations Security (OPSEC) – Systematic and proven process by which potential adversaries can be denied information about capabilities and intentions by identifying, controlling, and protecting generally unclassified evidence of the planning and execution of sensitive activities. The process involves five steps: identification of critical information, analysis of threats, analysis of vulnerabilities, assessment of risks, and application of appropriate countermeasures. SOURCE: CNSSI-4009 Optional Modification – NSA-approved modification not required for universal implementation by all holders of a COMSEC end-item. This class of modification requires all of the engineering/doctrinal control of mandatory modification but is usually not related to security, safety, TEMPEST, or reliability. See mandatory modification. SOURCE: CNSSI-4009 Organization – A federal agency, or, as appropriate, any of its operational elements. SOURCE: FIPS 200 An entity of any size, complexity, or positioning within an organizational structure (e.g., a federal agency, or, as appropriate, any of its operational elements). SOURCE: SP 800-53; SP 800-53A; SP 800-37 Organizational Maintenance – Limited maintenance performed by a user organization. SOURCE: CNSSI-4009 Organizational Registration Authority (ORA) – Entity within the PKI that authenticates the identity and the organizational affiliation of the users. SOURCE: CNSSI-4009 Organizational User – An organizational employee or an individual the organization deems to have equivalent status of an employee (e.g., contractor, guest researcher, individual detailed from another organization, individual from allied nation). SOURCE: SP 800-53 Outside Threat – An unauthorized entity from outside the domain perimeter that has the potential to harm an Information System through destruction, disclosure, modification of data, and/or denial of service. SOURCE: SP 800-32 Outside(r) Threat – An unauthorized entity outside the security domain that has the potential to harm an information system through destruction, disclosure, modification of data, and/or denial of service. SOURCE: CNSSI-4009 Pg 132
NIST IR 7298 Revision 1, Glossary of Key Information Security Terms Over-The-Air Key Distribution – Providing electronic key via over-the-air rekeying, over-the-air key transfer, or cooperative key generation. SOURCE: CNSSI-4009 Over-The-Air Key Transfer – Electronically distributing key without changing traffic encryption key used on the secured communications path over which the transfer is accomplished. SOURCE: CNSSI-4009 Over-The-Air Rekeying (OTAR) – Changing traffic encryption key or transmission security key in remote cryptographic equipment by sending new key directly to the remote cryptographic equipment over the communications path it secures. SOURCE: CNSSI-4009 Overt Channel – Communications path within a computer system or network designed for the authorized transfer of data. See covert channel. SOURCE: CNSSI-4009 Overt Testing – Security testing performed with the knowledge and consent of the organization’s IT staff. SOURCE: SP 800-115 Overwrite Procedure – A software process that replaces data previously stored on storage media with a predetermined set of meaningless data or random patterns. SOURCE: CNSSI-4009 Packet Filter – A routing device that provides access control functionality for host addresses and communication sessions. SOURCE: SP 800-41 Packet Sniffer – Software that observes and records network traffic. SOURCE: SP 800-61; CNSSI-4009 Parity – Bit(s) used to determine whether a block of data has been altered. SOURCE: CNSSI-4009 Partitioned Security Mode – Information systems security mode of operation wherein all personnel have the clearance, but not necessarily formal access approval and need-to-know, for all information handled by an information system. SOURCE: CNSSI-4009 Pg 133
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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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