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Idaho State University

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Trap Door
  • A hidden software or hardware mechanism used to circumvent security controls. (AFR 205-16;) 2. A condition existing in the system software or hardware which can be triggered to subvert the software or hardware security features. Basically, the condition is prompted internally (such as by a computer, a date or time value, or any specific set of pre-established circumstances) or externally (such as by a remote terminal or application program input message). (AR 380-380;) 3. A hidden software or hardware mechanism that permits system protection mechanisms to be circumvented. It is activated in some non-apparent manner (e. g. , special "random" key sequence at a terminal). (CSC-STD-001-83;) 4. A breach created intentionally in an ADP system for the purpose of collecting, altering or destroying data. (FIPS PUB 39;) 5. A hidden software or hardware mechanism that permits system protection mechanisms to be circumvented. It is activated in some innocent appearing manner, e. g. , special "random" key sequence at a terminal. Software developers often introduce trap doors in their code that enable them to re-enter the system and perform certain functions. (NCSC-WA-001-85;) 6. A trap door (also known as a back door) is a hidden software or hardware mechanism included by the author of the software that permits system protection mechanisms to be bypassed. It is activated in some obscure manner, such as a universal password that gives unhindered access to all files on a system. (IC;)