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 Enclave – Collection of information systems connected by one or more internal networks under the control of a single authority and security policy. The systems may be structured by physical proximity or by function, independent of location. SOURCE: CNSSI-4009 Enclave Boundary – Point at which an enclave’s internal network service layer connects to an external network’s service layer, i.e., to another enclave or to a Wide Area Network (WAN). SOURCE: CNSSI-4009 Encode – Convert plain text to cipher text by means of a code. SOURCE: CNSSI-4009 Encrypt – Generic term encompassing encipher and encode. SOURCE: CNSSI-4009 Encrypted Key – A cryptographic key that has been encrypted using an Approved security function with a key encrypting key, a PIN, or a password in order to disguise the value of the underlying plaintext key. SOURCE: FIPS 140-2 Encrypted Network – A network on which messages are encrypted (e.g., using DES, AES, or other appropriate algorithms) to prevent reading by unauthorized parties. SOURCE: SP 800-32 Encryption – Conversion of plaintext to ciphertext through the use of a cryptographic algorithm. SOURCE: FIPS 185 Encryption – The process of changing plaintext into ciphertext for the purpose of security or privacy. SOURCE: SP 800-21; CNSSI-4009 Encryption Algorithm – Set of mathematically expressed rules for rendering data unintelligible by executing a series of conversions controlled by a key. SOURCE: CNSSI-4009 Encryption Certificate – A certificate containing a public key that is used to encrypt electronic messages, files, documents, or data transmissions, or to establish or exchange a session key for these same purposes. SOURCE: SP 800-32 Pg 68
NIST IR 7298 Revision 1, Glossary of Key Information Security Terms End-Item Accounting – Accounting for all the accountable components of a COMSEC equipment configuration by a single short title. SOURCE: CNSSI-4009 End Cryptographic Unit (ECU) – Device that (1) performs cryptographic functions, (2) typically is part of a larger system for which the device provides security services, and (3) from the viewpoint of a supporting security infrastructure (e.g., a key management system), is the lowest level of identifiable component with which a management transaction can be conducted. SOURCE: CNSSI-4009 End-to-End Encryption – Communications encryption in which data is encrypted when being passed through a network, but routing information remains visible. SOURCE: SP 800-12 Encryption of information at its origin and decryption at its intended destination without intermediate decryption. SOURCE: CNSSI-4009 End-to-End Security – Safeguarding information in an information system from point of origin to point of destination. SOURCE: CNSSI-4009 Enrollment Manager – The management role that is responsible for assigning user identities to management and non-management roles. SOURCE: CNSSI-4009 Enterprise – An organization with a defined mission/goal and a defined boundary, using information systems to execute that mission, and with responsibility for managing its own risks and performance. An enterprise may consist of all or some of the following business aspects: acquisition, program management, financial management (e.g., budgets), human resources, security, and information systems, information and mission management. SOURCE: CNSSI-4009 Enterprise Architecture (EA) – The description of an enterprise’s entire set of information systems: how they are configured, how they are integrated, how they interface to the external environment at the enterprise’s boundary, how they are operated to support the enterprise mission, and how they contribute to the enterprise’s overall security posture. SOURCE: CNSSI-4009 Pg 69
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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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