CAJ | 학술논문

　　分析了云存储的特点和体系结构，深入剖析了目前云数据安全存在的问题，如数据隐私安全、数据隔离安全、云计算平台的安全隐患、云计算提供商的依赖程度过高、用户数据的云安全管理问题等，提出了云数据安全解决方案，包括数据加密、数据隔离、访问控制、风险评估、统一威胁管理和建立安全云等。
　　분석료운존저적특점화체계결구，심입부석료목전운수거안전존재적문제，여수거은사안전、수거격리안전、운계산평태적안전은환、운계산제공상적의뢰정도과고、용호수거적운안전관리문제등，제출료운수거안전해결방안，포괄수거가밀、수거격리、방문공제、풍험평고、통일위협관리화건립안전운등。
This paper first analyses the characteristics and architecture of cloud storage, then analyze the existing cloud data securi-ty issues, such as data privacy security, data isolation security, cloud computing platform security, cloud computing providers de-pendence degree high, user data cloud security management problems. Finally the solutions in the cloud data security are put for-ward, including data encryption technology, data isolation technology, access authority control, risk assessment, Unified Threat Management and establish secure cloud etc.