关键词: 数字经济, 关键信息基础设施, 网络安全, 严峻挑战, 加强保护

Abstract: In the information age, the digital economy driven by data will promote the transformation and upgrading of industries, give impetus tothe transformation of old and new drivers, and promote supplyside structural reform. As an important platform for carrying out economic and social operation, the critical information infrastructure supports the stable operation of the digital economy and faces serious cyber security threats. This paper expounds the important role of critical information infrastructures to support the development of digital economy, and analyzes the serious challenges it has to face. This paper puts forward to strengthening the protection of critical information infrastructure and build, four abilities including question breakthrough force, safety early warning, emergency response and security controllability to promote active defense of critical information infrastructure. It will ensure the cyber security of economic and social networks and help the healthy development of the digital economy.

Key words: digital economy, critical information infrastructures, cyber security, serious challenge, strengthen protection