桂林北站到象鼻山多远,邢台网站招聘员工123,广州制作公司网站的公司,如何解决网站只收录首页的一些办法您所在位置#xff1a;网站首页 海量文档nbspnbsp资格/认证考试nbspnbsp安全工程师考试计算机安全案例分析.ppt35页本文档一共被下载#xff1a;次,您可全文免费在线阅读后下载本文档。下载提示1.本站不保证该用户上传的文档完整性#…您所在位置网站首页 海量文档nbspnbsp资格/认证考试nbspnbsp安全工程师考试计算机安全案例分析.ppt35页本文档一共被下载次,您可全文免费在线阅读后下载本文档。 下载提示1.本站不保证该用户上传的文档完整性不预览、不比对内容而直接下载产生的反悔问题本站不予受理。2.该文档所得收入(下载内容预览三)归上传者、原创者。3.登录后可充值立即自动返金币充值渠道很便利Computer English II Unit 13 Computer Security Content Threats to Computer Security Measures to Protect Computer Security I. Threats to Computer Security Threats to computer security are computer crimes (including virus and electronic break-ins) and natural and other hazards. 1. Computer Criminals A computer crime is an illegal action in which the perpetrator uses special knowledge of computer technology. Computer criminals are of four types: I. 1.Computer Criminals (1)Employees The largest category of computer criminals consists of those with the easiest access to computers —— namely, employees. Sometimes the employee is simple trying to steal something from the employer —— equipment, software, electronic funds, proprietary information, or computer time. Sometimes the employee may be acting out of resentment and is trying to “get back” at the company. I. 1.Computer Criminals (2)Outside Users Not only employees but also some suppliers or clients may have access to a company’s computer system. Examples are bank customers who use an automatic teller machine. Like employees, these authorized users may obtain confidential passwords or find other ways of committing computer crimes. I. 1.Computer Criminals “Hackers” and “Crackers” Some people think of these two groups as being the same, but they are not. Hackers are people who gain unauthorized access to a computer system for the fun and challenge of it. Crackers do the same thing but for malicious purposes. They may intend to steal technical information or to introduce what they call a “bomb” —— a destructive computer program —— into the system. I. 1.Computer Criminals (4)Organized Crime Organized crime has discovered that computers can be used just like legitimate business people use them, but for illegal purposes. For example, computers are useful for keeping track of stolen goods or illegal gambling deb发表评论请自觉遵守互联网相关的政策法规严禁发布色情、暴力、反动的言论。用户名:验证码:匿名?发表评论
