- 行业: Telecommunications
- Number of terms: 29235
- Number of blossaries: 0
- Company Profile:
ATIS is the leading technical planning and standards development organization committed to the rapid development of global, market-driven standards for the information, entertainment and communications industry.
1. A set of rules, part of a security policy, by which human users, or their representatives, are authenticated and by which access by these users to applications and other services and security objects is granted or denied. 2. The set of rules that define the conditions under which an access may take place. 3. A set of rules, part of a security policy, by which subjects are authorized and by which access by these subjects to objects is granted or denied.
Industry:Telecommunications
1. A set of operations designed to support some aspect of security in a distributed system. 2. A service, provided by a layer of communicating open systems, which ensures adequate security of the systems or of data transfers.
Industry:Telecommunications
1. A set of computer programs, procedures, and associated documentation concerned with the operation of a data processing system; e.g., compilers, library routines, manuals, and circuit diagrams. 2. Information (generally copyrightable) that may provide instructions for computers; data for documentation; and voice, video, and music for entertainment or education. 3. The programs, procedures, rules, and any associated documentation pertaining to the operation of a data processing system.
Industry:Telecommunications
1. A service feature or technique used to permit or deny use of the components of a communication system. 2. A technique used to define or restrict the rights of individuals or application programs to obtain data from, or place data onto, a storage device. 3. The definition or restriction of the rights of individuals or application programs to obtain data from, or place data into, a storage device. 4. Limiting access to information system resources only to authorized users, programs, processes, or other systems. 5. That function performed by the resource controller that allocates system resources to satisfy user requests. 6. Control over the flow of information between entities. 7. The prevention of access without access rights. 8. The prevention of use of a resource by unidentified and/or authorized entities in any other than an authorized manner. 9. The prevention of unauthorized use of a resource including the prevention of use of a resource in an unauthorized manner. . 10. The prevention of unauthorized access of subjects to objects.
Industry:Telecommunications
1. A series of reply posts to a message on a bulletin board system. 2. An offset stack of (usually) active windows displayed on a computer screen. 3. A connected series of essentially identical electronic circuits (for example, as might be used in serial-parallel converters. )
Industry:Telecommunications
1. A security filter logically separated from the remainder of an information system (IS) to protect system integrity. Synonyms firewall, proxy. 2. A process that is invoked to process data according to a specified security policy prior to releasing the data outside the processing environment or upon receiving data from an external source.
Industry:Telecommunications
1. A security authority trusted by communicating entities with respect to specific security-related activities (e.g., for the purpose of authentication. ) 2. A security authority or its agent, trusted by other entities with respect to security-related activities. 3. A security authority or its agent, trusted by other entities with respect to security-related activities. In the context of this standard a trusted third party is trusted by a claimant and/or verifier for the purposes of authentication.
Industry:Telecommunications
1. A room or building equipped so that telephone lines terminating there may be interconnected as required. Note: The equipment may include manual or automatic switching equipment. 2. In the telephone industry, a geographic area (such as a city and its environs) established by a regulated telephone company for the provision of local telephone services. 3. In the Modification of Final Judgment (MFJ) a local access and transport area (LATA. ) 4. A geographic area tariffed by a state utilities commission and served by an incumbent Local Exchange Carrier (LEC. ) A LEC's franchise territory is comprised of multiple Exchanges and the Basic Local Calling Areas are defined by Exchanges. The Exchanges are generally in the state General Subscriber Services Tariff, Section A3. The term "Exchange" denotes a geographic area generally smaller than a Local Access Transport Area (LATA) and usually embraces a city, town or village and its environs. Subscribers in a given Exchange area may be served by one or more central offices together with the associated facilities or subscribers in an Exchange area may be served by a central office located in an adjacent Exchange area. (A LATA is usually comprised of multiple Exchanges. )
Industry:Telecommunications
1. A record of both completed and attempted accesses and service. 2. Data in the form of a logical path linking a sequence of events, used to trace the transactions that have affected the contents of a record. 3. A chronological record of system activities to enable the reconstruction and examination of the sequence of events and/or changes in an event. Note: Audit trail may apply to information in an information system (IS,) to message routing in a communications system, or to the transfer of COMSEC material. 4. The set of records generated by a system in response to accounting operations, providing the basis for audit. 5. See Security Audit Trail. 6. The destination of audit records that are recorded, and the source of records read by an audit post-processing application. 7. A set of records that collectively provide documentary evidence of processing used to aid in tracing from original transactions forward to related records and reports, and/or backwards from records and reports to their component source transactions.
Industry:Telecommunications
1. A radio detection system that transmits short bursts (pulses) of rf energy and detects their echoes from objects (targets) such as aircraft or ships. Note: The round-trip propagation time for the echo return may be used to determine the target's range (distance from the radar's antenna. ) If the transmitting antenna has a narrow beam (the usual case,) the azimuth or elevation of the target may also be determined. Synonym primary radar. 2. A radio detection device that provides information on range, azimuth, and/or elevation of objects. 3. A radiodetermination system based on the comparison of reference signals with radio signals reflected, or retransmitted, from the position to be determined.
Industry:Telecommunications
