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所在平台: Udemy |
课程主页: https://www.udemy.com/course/15-signs-to-tell-that-your-computer-has-got-virus/
课程评论：没有评论
**课程名称：** 电脑病毒警报：15个警示信号 (Computer Virus Alarms: 15 Warning Signals) **课程概述：** 本课程旨在帮助您识别电脑可能感染病毒的常见迹象。我们将探讨病毒可能引发的各种异常行为，包括： * **系统行为异常：** 电脑运行缓慢、程序崩溃、弹出不明窗口、文件丢失或被修改、浏览器设置被更改等。 * **网络活动異常：** 电子邮件或社交媒体账号被盗用、发送不明信息、网络连接异常。 * **文件操作异常：** 文件被加密、删除、损坏，或者无法打开。 * **开机启动异常：** 介绍“启动扇区”的概念，以及“启动扇区病毒”的特点和清除难度。 **课程内容还将深入介绍：** * **不同类型的病毒：** * **直接作用病毒 (Direct action virus)：** 攻击特定类型文件的病毒。 * **宏病毒 (Macro viruses)：** 不直接攻击系统本身，而是影响宏功能的病毒。 * **多态病毒 (Polymorphic viruses)：** 难以检测和清除的病毒。 * **多分体病毒 (Multipartite virus)：** 同时感染多种类型文件的病毒。 * **文件感染病毒 (File infector viruses)：** 专门感染特定类型文件的病毒。 * **常驻病毒 (Resident virus)：** 将自身保存在内存中的病毒。 * **覆盖病毒 (Overwrite virus)：** 覆盖文件内容的病毒。 * **空间填充病毒 (Spacefiller virus)：** 利用文件中的空白区域进行感染的病毒。 * **其他有害软件：** * **勒索软件 (Ransomware)：** 是否属于病毒？ * **木马 (Trojan)：** 木马是否为病毒？其主要目的是什么？木马与病毒的传播速度对比。 * **蠕虫 (Worm)：** 蠕虫是否为病毒？与病毒相比，蠕虫传播速度更快。 * **间谍软件 (Spyware)：** 研究其功能。 * **广告软件 (Adware)：** 研究其定义。 **课程将引导您思考：** * 电脑病毒可能造成的具体损害。 * 区分不同类型计算机恶意软件的挑战。 * 识别和清除病毒是否是一件容易的事（并进行评论）。 本课程将帮助您提高对计算机安全威胁的认识，并掌握识别和应对这些威胁的基本方法。
1. What are those some common indicators which may suggest that our computer system has been infected by virus?2. Computer virus can change the browser settings of your computer. Comment.3. What type of action a computer virus may take on the files stored in your computer?4. What type of unexpected activities can a computer virus can do in respect of email or social media?5. What are some common types of computer viruses?6. Detecting and removing viruses is an easy job. Comment.7. Direct action virus is a virus which directly attacks certain types of files. Which are those files?8. What is meant by boot sector?9. What is boot sector virus? Is it easy to remove this virus?10. Do you agree that macro viruses do not target the underlying computer system itself? Comment.11. It is difficult to remove polymorphic viruses. Why?12. What is meant by multipartite virus?13. File infector viruses target specifically target which type of files?14. Where does resident virus saves itself?15. What does the overwrite virus do?16. What is meant by spacefiller virus?17. Computer viruses are just one kind of harmful software that can cause problems. Comment.18. Whether ransomware is a virus?19. Is trojan a virus? 20. The spread rate of viruses is slow or high in comparison to trojan. Comment.21. What is the main purpose of trojan horse?22. Is worm a virus?23. At which speed worms spread in comparison to viruses?24. What is the function of spyware?25. What is meant by adware?26. Is it easy to tell to identify what type of malware has hit your computer system? Comment.27. What type of damages a computer virus can do?
