关键词: EUCS计划, 云计算, 云服务安全, 认证, 评估 

Abstract: The European Union has promulgated the Cybersecurity Act to promote the establishment and implementation of the EU cybersecurity certification Framework in 2019. As a part of the Framework, a special working group has been set up to work on EU Cybersecurity Certification Scheme for Cloud Services(EUCS). The EUCS candidate draft has been released for public comments at the end of 2020.This article first briefly analyzes the background, basis, text and other basic conditions of the draft. Then it sums up the main points of the draft from the determination of stakeholders, the classification of security assurance levels, and the classification of cloud computing services. Finally, it gives some thoughts on strengthening the security certification and assessment of cloud computing services in our country. 

Key words: EUCS scheme, cloud computing, cloud service security, certification, assessment