5G智慧城市安全白皮书【英文版】2020

GTI Security Considerations for 5G Smart City Whitepaper http www gtigroup org Security Considerations for 5G Smart City 2 GTI Security Considerations for 5G Smart City Whitepaper Version V1 0 Deliverable Type Procedural Document Working Document Confidential Level Open to GTI Operator Members 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 Security Considerations for 5G Smart City 3 Approval Date DD MM YYYY Security Considerations for 5G Smart City 4 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 Meeting Version Revision Contents DD MM YYYY NA DD MM YYYY DD MM YYYY DD MM YYYY DD MM YYYY Security Considerations for 5G Smart City 5 Table of Contents 1 Executive Summary 6 2 Abbreviations 7 3 References 9 4 5G Enables Smart City 10 4 1 Smart City 10 4 2 Smart City in the 5G Era 10 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 6 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 7 Conclusion 30 Security Considerations for 5G Smart City 6 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 manufacturing and smart grids Changes brought by 5G technologies accelerate the development of smart cities while also posing certain security threats To respond to these threats municipal administrators and city constructors can provide security facilities and capabilities at different layers of 5G new smart cities such as the terminal layer network layer platform layer and application layer This document focuses on the potential security threats and challenges brought by the application of 5G technologies to Smart City and the security capabilities required to address these threats Security Considerations for 5G Smart City 7 2 Abbreviations Abbreviation Explanation AF Application Function AI Artificial Intelligence AMF Access and Mobility Management Function API Application Programming Interface CPE Customer Premise Equipment DDoS Distributed Denial of Service EMS Element Management System IMSI International Mobile Subscriber Identity IPS Intrusion Prevention System LTE Long Term Evolution MANO Management and Orchestration MEC Multi access Edge Computing NEF Network Exposure Function NFV Network Function Virtualization NSSAI Network Slice Selection Assistance Information PCF Policy Control Function PDCP Packet Data Convergence Protocol RBAC Role Based Access Control SBA Service Based Architecture SDN Software Defined Network Security Considerations for 5G Smart City 8 SMF Session Management Function SUCI Subscription Concealed Identifier UDM Unified Data Management UE User Equipment VR AR Virtual Reality Augmented Reality WAF Web Application Firewall WLAN Wireless Local Area Network Security Considerations for 5G Smart City 9 3 References The following documents contain provisions which through reference in this text also constitute provisions of the present document 1 Research Report on Smart City Security System CCIA Working Group on Security Standard of Smart City March 2017 2 IoT the next wave of connectivity and services ces 665 3 5G Smart Grid smart grids 4 ENISA THREAT LANDSCAPE FOR 5G NETWORKS November 2019 5 NFV SEC https www etsi org deliver etsi gs NFV SEC 6 5G Smart Traffic 7 Bao Zuojun Discussing 5G Network Technologies in Smart Traffic Construction J China ITS Journal 2019 226 01 81 82 102 8 GB T 37971 2019 Information Security Technology Framework of Smart City Security System 9 Ahmad I Kumar T Liyanage M et al Overview of 5G Security Challenges and Solutions J IEEE Communications Standards Magazine 2018 2 1 36 43 Security Consideratio