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 Trusted Platform Module (TPM) Chip – A tamper-resistant integrated circuit built into some computer motherboards that can perform cryptographic operations (including key generation) and protect small amounts of sensitive information, such as passwords and cryptographic keys. SOURCE: SP 800-111 Trusted Process – Process that has been tested and verified to operate only as intended. SOURCE: CNSSI-4009 Trusted Recovery – Ability to ensure recovery without compromise after a system failure. SOURCE: CNSSI-4009 Trusted Software – Software portion of a trusted computing base (TCB). SOURCE: CNSSI-4009 Trusted Timestamp – A digitally signed assertion by a trusted authority that a specific digital object existed at a particular time. SOURCE: SP 800-32; CNSSI-4009 Trustworthiness – The attribute of a person or organization that provides confidence to others of the qualifications, capabilities, and reliability of that entity to perform specific tasks and fulfill assigned responsibilities. SOURCE: SP 800-79 The attribute of a person or enterprise that provides confidence to others of the qualifications, capabilities, and reliability of that entity to perform specific tasks and fulfill assigned responsibilities. SOURCE: CNSSI-4009 Security decisions with respect to extended investigations to determine and confirm qualifications, and suitability to perform specific tasks and responsibilities. SOURCE: FIPS 201 Trustworthy System – Computer hardware, software and procedures that— 1) are reasonably secure from intrusion and misuse; 2) provide a reasonable level of availability, reliability, and correct operation; 3) are reasonably suited to performing their intended functions; and 4) adhere to generally accepted security procedures. SOURCE: SP 800-32 TSEC – Telecommunications Security. SOURCE: CNSSI-4009 Pg 198
NIST IR 7298 Revision 1, Glossary of Key Information Security Terms TSEC Nomenclature – System for identifying the type and purpose of certain items of COMSEC material. SOURCE: CNSSI-4009 Tunneled Password Protocol – A protocol where a password is sent through a protected channel. For example, the TLS protocol is often used with a verifier’s public key certificate to (1) authenticate the verifier to the claimant, (2) establish an encrypted session between the verifier and claimant, and (3) transmit the claimant’s password to the verifier. The encrypted TLS session protects the claimant’s password from eavesdroppers. SOURCE: SP 800-63 Tunneling – Technology enabling one network to send its data via another network’s connections. Tunneling works by encapsulating a network protocol within packets carried by the second network. SOURCE: CNSSI-4009 Two-Part Code – Code consisting of an encoding section, in which the vocabulary items (with their associated code groups) are arranged in alphabetical or other systematic order, and a decoding section, in which the code groups (with their associated meanings) are arranged in a separate alphabetical or numeric order. SOURCE: CNSSI-4009 Two-Person Control (TPC) – Continuous surveillance and control of positive control material at all times by a minimum of two authorized individuals, each capable of detecting incorrect and unauthorized procedures with respect to the task being performed and each familiar with established security and safety requirements. SOURCE: CNSSI-4009 Two-Person Integrity (TPI) – System of storage and handling designed to prohibit individual access by requiring the presence of at least two authorized individuals, each capable of detecting incorrect or unauthorized security procedures with respect to the task being performed. See no-lone zone. SOURCE: CNSSI-4009 Type 1 Key – Generated and distributed under the auspices of NSA for use in a cryptographic device for the protection of national security information. SOURCE: CNSSI-4009, as modified Pg 199
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NISTIR 7298 Revision 1, Glossary of Key Information Security Terms

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