通过键盘进行信息窃取的技术分析

Technical Analysing of Stealing Information by the Keyboard of Computer

本文从计算机键盘监控电路的分析入手 ,详细描述了“硬件黑客”对键盘信息的监控、存储、显示的软硬件实现方法 ,旨在使信息安全管理人员及广大计算机用户了解其原理 ,并采取得力措施 。

In this paper,a keyboard surveillant circuit and its driver program are analysed.Readers can know how this circuit works,how to prevent your computer from 'Hardware Hacker' watching and strengthen security of your infosystems.