• Define computer security as well as basic computer security terms • Introduce the C-I-A Triad • Introduce basic access control terminology • Explain basic threats, vulnerabilities, and attacks • Show how controls map to threats

• Basic security functions provided by operating systems • System resources that require operating system protection • Operating system design principles • How operating systems control access to resources • The history of trusted computing • Characteristics of operating system rootkits

• Study the contents of a good security plan • Learn to plan for business continuity and responding to incidents • Outline the steps and best practices of risk analysis • Learn to prepare for natural and human-caused disasters

• Learn basic terms and primitives of cryptography • Deep dive into how symmetric encryption algorithms work • Study the RSA asymmetric encryption algorithm • Compare message digest algorithms • Explain the math behind digital signatures • Learn the concepts behind quantum cryptography

• Define the Internet of Things and discuss associated emerging security issues • Discuss nascent efforts to financially measure cybersecurity to make sound investment decisions • Explore the evolving field of electronic voting, which has been an important and open security research problem for over a decade • Study potential examples of cyber warfare and their policy implications

• Define cloud services, including types and service models • How to define cloud service requirements and identify appropriate services • Survey cloud-based security capabilities and offerings • Discuss cloud storage encryption considerations • Protection of cloud-based applications and infrastructures • Explain the major federated identity management standards and how they differ

• Define privacy and fundamental computer-related privacy challenges • Privacy principles and laws • Privacy precautions for web surfing • Spyware • Email privacy • Privacy concerns in emerging technologies

• Learn about memory organization, buffer overflows, and relevant countermeasures • Common programming bugs, such as off-by-one errors, race conditions, and incomplete mediation • Survey of past malware and malware capabilities • Virus detection • Tips for programmers on writing code for security

6.1 端口扫描 6.2 网络监听 6.3 IP电子欺骗 6.4 拒绝服务攻击 6.5 特洛伊木马 6.6 E-mail 炸 弹 6.7 缓冲区溢出

一、文字产生前的口语时期 （采摘及畜牧、史前时期) 二、文字产生以后的书面语时期 （农业革命/社会） 三、语言电子传输时期 （大工业革命/社会） 四、计算机语言时期 （信息革命/社会） 五、网络语言时期 （网络革命/社会）