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 Security Functions – The hardware, software, and/or firmware of the information system responsible for enforcing the system security policy and supporting the isolation of code and data on which the protection is based. SOURCE: SP 800-53 Security Goals – The five security goals are confidentiality, availability, integrity, accountability, and assurance. SOURCE: SP 800-27 Security Impact Analysis – The analysis conducted by an organizational official to determine the extent to which changes to the information system have affected the security state of the system. SOURCE: SP 800-53; SP 800-53A; SP 800-37; CNSSI-4009 Security Incident – See Incident. Security Inspection – Examination of an information system to determine compliance with security policy, procedures, and practices. SOURCE: CNSSI-4009 Security Kernel – Hardware, firmware, and software elements of a trusted computing base implementing the reference monitor concept. Security kernel must mediate all accesses, be protected from modification, and be verifiable as correct. SOURCE: CNSSI-4009 Security Label – The means used to associate a set of security attributes with a specific information object as part of the data structure for that object. SOURCE: SP 800-53 Security Label – A marking bound to a resource (which may be a data unit) that names or designates the security attributes of that resource. SOURCE: FIPS 188 Information that represents or designates the value of one or more security relevant-attributes (e.g., classification) of a system resource. SOURCE: CNSSI-4009 Security Level – A hierarchical indicator of the degree of sensitivity to a certain threat. It implies, according to the security policy being enforced, a specific level of protection. SOURCE: FIPS 188 Pg 172
NIST IR 7298 Revision 1, Glossary of Key Information Security Terms Security Marking – Human-readable information affixed to information system components, removable media, or output indicating the distribution limitations, handling caveats, and applicable security markings. SOURCE: SP 800-53 Security Markings – Human-readable indicators applied to a document, storage media, or hardware component to designate security classification, categorization, and/or handling restrictions applicable to the information contained therein. For intelligence information, these could include compartment and sub-compartment indicators and handling restrictions. SOURCE: CNSSI-4009 Security Mechanism – A device designed to provide one or more security services usually rated in terms of strength of service and assurance of the design. SOURCE: CNSSI-4009 Security Net Control Station – Management system overseeing and controlling implementation of network security policy. SOURCE: CNSSI-4009 Security Objective – Confidentiality, integrity, or availability. SOURCE: SP 800-53; SP 800-53A; SP 800-60; SP 800-37; FIPS 200; FIPS 199 Security Perimeter – See Authorization Boundary. A physical or logical boundary that is defined for a system, domain, or enclave, within which a particular security policy or security architecture is applied. SOURCE: CNSSI-4009 Security Plan – Formal document that provides an overview of the security requirements for an information system or an information security program and describes the security controls in place or planned for meeting those requirements. See ‘System Security Plan’ or ‘Information Security Program Plan.’ SOURCE: SP 800-53; SP 800-53A; SP 800-37; SP 800-18 Security Policy – The statement of required protection of the information objects. SOURCE: SP 800-27 Pg 173
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NISTIR 7298 Revision 1, Glossary of Key Information Security Terms

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