《02 信息系统安全第二讲 物理安全》.pdf

《信息系统安全》第二讲《信息系统安全》第二讲 物理安全物理安全 20132年2月23日 周亚建 zhouyajian@ School of Computer Science, BUPT Overview of Last ClassOverview of Last Class 1 信息系统、信息系统的架构、信息系统安全 2 影响信息系统安全的因素：自身脆弱，外界威胁 3 解决信息系统安全的对策 信息系统信息系统 information system, an integrated set of components for collecting, storing, and 信息系统 processing data and for delivering information, knowledge, and digital products. Business firms and other organizations rely on information systems to carry out and manage their operations, 安全 interact with their customers and suppliers, and compete in the marketplace. For instance, corporations use information systems to reach their potential customers with targeted messages over the Web, to process financial accounts, and to manage their human resources. Governments deploy information systems to provide services cost- effectively to citizens. ENCYCLOPEDIA BRITANNICA 3 信息系统的架构模型信息系统的架构模型  处于顶层，直接与用户或实体打交道 应用 业务软件 应用 业务软件  处于中间层，在操作平台支撑下运行的支持和管理应用