关键词: 网络防御, 态势感知, APT检测, 安全运营中心

Abstract: The European Union proposed to formulate a cyber defence policy in 2013 and issued a joint communication on the “EU Policy on Cyber Defence” at the end of 2022, continuously to deepen and implement its cyber defence policy. This paper first summarizes the main points of the joint communication from the aspects of the necessity of jointly carrying out cyber defence, the role of situational awareness in cyber defence, and the promotion of cyber defence cooperation at multiple levels. Then, the characteristics of the EU’s network defense policy are analyzed in depth from the aspects of deepening network defense policies, implementing network defense policies, and collaborating to protect key infrastructure security. Finally, three inspirations and suggestions for strengthening the security of our critical infrastructure are given.

Key words: network defense, situational awareness, APT detection, security operations center