Program Threats(程序的威胁 ° Trojan Horse(特洛伊木马) Code segment that misuses its environment.(代码段滥用 环境 Exploits mechanisms for allowing programs written by users to be executed by other users.(利用机制使得某个用户写的 程序可以被其他用户运行) mDo(后门 Specific user identifier or password that circumvents normal securit! y procedures.(特殊的用户标识符或者密码可以绕过 通常的安全检查) Could be included in a compiler.(有可能包含在编译器中) Applied Operating System Concepts 194 Silberschatz, Galvin, and Gagne @199919.4 Silberschatz, Galvin, and Gagne ©1999 Applied Operating System Concepts Program Threats（程序的威胁） • Trojan Horse（特洛伊木马） – Code segment that misuses its environment.（代码段滥用 环境） – Exploits mechanisms for allowing programs written by users to be executed by other users.（利用机制使得某个用户写的 程序可以被其他用户运行） • Trap Door（后门） – Specific user identifier or password that circumvents normal security procedures.（特殊的用户标识符或者密码可以绕过 通常的安全检查） – Could be included in a compiler.（有可能包含在编译器中）