C on a very good original English courseware, you would be of considerable help

计算机安全
..........\新建文件夹
..........\..........\目录.ppt
..........\..........\第1章 绪 论.ppt
..........\..........\第2章 计算机系统的环境安全.ppt
..........\..........\第3章 计算机系统实体的安全.ppt
..........\..........\第4章 软件安全技术.ppt
..........\..........\第5章 计算机病毒分析与防治.ppt
..........\..........\第6章 操作系统的安全.ppt
..........\..........\第7章 密码技术.ppt
..........\..........\第8章 数据库系统安全.ppt
..........\..........\第9章 网络安全.ppt

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