Abstract: The new smart city has become a strategic choice to promote global urbanization, improve the level of urban governance, solve the big city disease, improve the quality of public services, and develop the digital economy. The rapid development of the new generation of information technology brings opportunities as well as challenges for the development of the new smart city. In order to better promote the wisdom and security of modern city development, this paper first analyzes the collaborative protection risks of new smart city network security from the perspectives of management, technology, construction and operation, and then proposes to build a new smart city network security collaborative protection framework including index system, evaluation system and technical system, which can provide a theoretical and methodological reference for the new smart city network security collaborative protection.

Key words: digital economy, new smart city, city governance, collaborative protection, network security risk, network security framework

摘要： 新型智慧城市已经成为推进全球城镇化、提升城市治理水平、破解大城市病、提高公共服务质量、发展数字经济的战略选择，新一代信息技术的日新月异为新型智慧城市发展带来机遇的同时，也带来了挑战。为更好统筹推进现代城市发展的智慧化、安全化，首先从管理、技术、建设与运营角度对新型智慧城市网络安全协同防护风险进行分析，然后提出构建包含指标体系、测评体系和技术体系的新型智慧城市网络安全协同防护框架，为新型智慧城市网络安全协同防护提供理论和方法参考。

关键词: 数字经济, 新型智慧城市, 城市治理, 协同防护, 网络安全风险, 网络安全框架