| Abstract | 第4页 |
| 摘要 | 第5-8页 |
| 1 Introduction | 第8-22页 |
| 1.1 Overview of The Internet of Things | 第8-16页 |
| 1.1.1 Definition of the Internet of Things | 第8-10页 |
| 1.1.2 Evolution of the IOT | 第10-11页 |
| 1.1.3 Main characteristics of the IOT | 第11-12页 |
| 1.1.4 Technologies used in the IOT | 第12-14页 |
| 1.1.5 Architecture of the IOT | 第14-15页 |
| 1.1.6 Main application fields of the IOT | 第15-16页 |
| 1.2 Research Situation And Related Work | 第16-19页 |
| 1.2.1 Research situation of the IOT and its security | 第17-18页 |
| 1.2.2 Related work | 第18-19页 |
| 1.3 Main Achievements and Organization of the Dissertation | 第19-22页 |
| 1.3.1 Achievements of this Dissertation | 第19-20页 |
| 1.3.2 Structure of the Dissertation | 第20-22页 |
| 2 Security Threats and Measures of the IOT | 第22-42页 |
| 2.1 Security Characteristics of the IOT | 第22-30页 |
| 2.1.1 Security requirements of the IOT | 第22-24页 |
| 2.1.2 Possible attacks on the IOT | 第24-26页 |
| 2.1.3 Security technologies of the IOT | 第26-29页 |
| 2.1.4 Conclusion | 第29-30页 |
| 2.2 Security Architecture of the IOT | 第30-32页 |
| 2.2.1 A security oriented IOT architecture | 第30-31页 |
| 2.2.2 Security architecture of the IOT | 第31-32页 |
| 2.3 Security Threats to the IOT | 第32-37页 |
| 2.3.1 Security threats in sensation layer | 第32-34页 |
| 2.3.2 Security threats in network layer | 第34-36页 |
| 2.3.3 Security threats in application layer | 第36-37页 |
| 2.3.4 Security threats in control and management of the IOT | 第37页 |
| 2.4 Security Measures for the IOT | 第37-40页 |
| 2.4.1 Security measures in sensation layer | 第37-39页 |
| 2.4.2 Security measures in network layer | 第39-40页 |
| 2.4.3 Security measures in application layer | 第40页 |
| 2.5 Conclusion | 第40-42页 |
| 3 Risk Assessment Methods of Information System Security | 第42-50页 |
| 3.1 Common Risk Assessment Methods | 第42-46页 |
| 3.1.1 Consultative, Objective and Bi-functional Risk Analysis (COBRA) | 第42-43页 |
| 3.1.2 Conducting Security Risk Analysis (CORAS) | 第43-44页 |
| 3.1.3 Central Communication and Telecommunication Agency (CRAMM) | 第44-45页 |
| 3.1.4 Operationally Critical Threat, Asset and Vulnerability Evaluation (OCTAVE) | 第45页 |
| 3.1.5 Security Oiffcers Management and Analysis Project (SOMAP) | 第45-46页 |
| 3.2 Comparison of Common Risk Assessment Methods | 第46-48页 |
| 3.2.1 Advantages and disadvantages of each risk assessment method | 第46-48页 |
| 3.2.2 Comparison of the risk assessment methods | 第48页 |
| 3.3 Conclusion | 第48-50页 |
| 4 Risk Assessment of the I0T Security | 第50-60页 |
| 4.1 Calculating the risk-factor weights | 第50-57页 |
| 4.1.1 Constructing the structure of recursion order hierarchy | 第50-52页 |
| 4.1.2 Calculation of relative weight of the second layer | 第52-53页 |
| 4.1.3 Calculation of relative weight of the third layer | 第53-55页 |
| 4.1.4 Case study | 第55-57页 |
| 4.2 Computation of the risk degree of the IOT by means of entropy | 第57-59页 |
| 4.2.1 Determining the entropy coeiffcient for each risk factor of the IOT | 第57-58页 |
| 4.2.2 Case study | 第58-59页 |
| 4.2.3 Computing the synthetic risk degree of the IOT | 第59页 |
| 4.3 Conclusion | 第59-60页 |
| 5 Conclusions | 第60-62页 |
| References | 第62-66页 |
| Acknowledgements | 第66-68页 |
| Research Achievements List | 第68页 |
