An intrusion into a computer network which monitors stored data within a computer or data flowing down a communication line in order to discover aspects of a computer system which can be used for an attack on the system. See also active attack.
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。