GTI Security Considerations for 5G Smart City Whitepaper b u m o c . 5 h t i g http://www.gtigroup.org Security Considerations for 5G Smart City GTI Security Considerations for 5G Smart City Whitepaper Version: V1.0 m o c . 5 b u □Procedural Document Deliverable Type □Working Document h t i g □Open to GTI Operator Members Confidential Level □Open to GTI Partners □Open to Public Working Group Task Source members CMCC Support members Huawei, CAICT Editor China Mobile Cybersecurity R&D Center Last Edit Date 09-03-2020 2 Security Considerations for 5G Smart City Approval Date DD-MM-YYYY m o c . 5 h t i g b u 3 Security Considerations for 5G Smart City Confidentiality: This document may contain confidential information, and access is restricted to the people listed in the Confidential Level. This document shall not be used, disclosed, or reproduced, in whole or in part, without prior written authorization from GTI. Authorized parties shall only use this document for authorized purposes. GTI disclaims any liability for the accuracy, completeness, or timeliness of the information contained in this document, which may be subject to change without prior notice. Document History Date DD-MM-YYYY Meeting # Version # Revision Contents m o c . 5 NA DD-MM-YYYY DD-MM-YYYY b u DD-MM-YYYY DD-MM-YYYY h t i g 4 Security Considerations for 5G Smart City Table of Contents 1 Executive Summary ................................................................................................................ 6 2 Abbreviations........................................................................................................................... 7 3 References ................................................................................................................................ 9 4 5G Enables Smart City ......................................................................................................... 10 5 6 7 4.1 Smart City ................................................................................................................... 10 4.2 Smart City in the 5G Era ........................................................................................... 10 m o c . 5 Threats to 5G Smart City ..................................................................................................... 15 5.1 Security Challenges from New Service Applications............................................... 15 5.2 Security Challenges from IT-based Networks ......................................................... 16 5.3 Security Challenges from Network Architecture Changes ..................................... 17 5.4 Security Challenges from Network Capability Openness....................................... 18 5.5 Security Challenges from Multi-Access Technologies ............................................. 18 5.6 Security Challenges from User Privacy Protection ................................................. 19 b u h t i g 5G Smart City Security Recommendations ........................................................................ 21 6.1 Smart City Architecture ............................................................................................ 21 6.2 Terminal Layer Security ............................................................................................ 22 6.3 Network Layer Security............................................................................................. 23 6.4 Platform Layer Security ............................................................................................ 27 6.5 Application Layer Security........................................................................................ 28 Conclusion.............................................................................................................................. 30 5 Security Considerations for 5G Smart City 1 Executive Summary New Smart City is the result of the deep integration and iterative evolution of next-generation information technologies and urban modernization. With features such as high bandwidth, low latency, and massive connections, 5G networks are providing new driving forces for Smart City development, and achieving intelligent perception, precise management, and convenient services, playing an important role in applications such as smart government, smart traffic, smart m o c . 5 manufacturing, and smart