Terms starting with “T”

An operating system in which there exists a level of confidence (based on rigorous analysis and testing) that the security principals and mechanisms (e.g., separation, isolation, l...

A mechanism by which a user (through an input device) can communicate directly with the security functions of the information system with the necessary confidence to support the sy...

A tamper-resistant hardware device that serves as a base for trusted computing. VVSG. Abbreviated TPM.

An international standard for a secure cryptoprocessor, which is a dedicated microprocessor designed to secure hardware by integrating cryptographic keys into devices. (UK 2016)

A tamper-resistant integrated circuit built into some computer motherboards that can perform cryptographic operations (including key generation) and protect small amounts of sensit...

Process that has been tested and verified to operate only as intended.

Ability to ensure recovery without compromise after a system failure.

Software portion of a trusted computing base (TCB). (CNSSI-4009) (NISTIR)

A digitally signed assertion by a trusted authority that a specific digital object existed at a particular time. Source: NIST SP 800-32

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...

Computer hardware, software and procedures that-- 1) are reasonably secure from intrusion and misuse; 2) provide a reasonable level of availability, reliability, and correct operat...

Transportation and Security Administration

Telecommunications Security. (CNSSI-4009) (NISTIR)

System for identifying the type and purpose of certain items of COMSEC material. (CNSSI-4009) (NISTIR)

The NSA system for identifying the type and purpose of certain items of COMSEC material. Source: CNSSI No. 4005 (COMSEC) Technology enabling one network to send its data via anothe...

"A cryptographic technique in which a computer is in effect attached to a remote LAN via the Internet, even if there is an intervening firewall." CIVTF Appendix A.

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...

The "total number of voters at an election as determined by the number of ballot cards tabulated by the computer or of paper ballots counted by the precinct officials, and shall in...

Authentication mechanism requiring two or more of the following: something you know (e.g., Password), something you have (e.g., Token), something that identifies who you are (e.g.,...

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 sec...

The continuous surveillance and control of material at all times by a minimum of two authorized individuals, each capable of detecting incorrect or unauthorized procedures with res...

The system of storage and handling designed to prohibit individual access to certain COMSEC keying material by requiring the presence of at least two authorized persons, each capab...

A plurality/majority system in which a second election is held if no candidate achieves a given level of votes, most commonly an absolute majority (50 per cent plus one), in the fi...

A ballot having voting positions on both sides of a sheet, typically used with MARK-SENSE systems.