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arXiv 2402.10985cs.CRcs.AI
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CloudLens:云安全漏洞的建模与检测

CloudLens: Modeling and Detecting Cloud Security Vulnerabilities

The University of Texas at Austin(德克萨斯大学奥斯汀分校);Singapore Management University(新加坡管理大学)

Mikhail Kazdagli, Mohit Tiwari, Akshat Kumar

AI总结:

本文提出形式化模型CloudLens以表示云对象间的访问控制关系,并开发规划模型生成攻击以检测云安全漏洞,在14个真实AWS配置上验证了其能发现现有行业工具无法检测的多种漏洞。

摘要:

云计算服务为数据存储、处理和协作提供了可扩展且具有成本效益的解决方案。随着其日益普及,对安全漏洞的担忧也在增加。为了解决这一问题,首先,我们提供了一个名为CloudLens的形式化模型,该模型表达了云系统中不同云对象(如用户、数据存储、安全角色)之间的关系,以表示访问控制策略。其次,由于访问控制配置错误通常是云攻击的主要驱动因素,我们开发了一个用于检测安全漏洞的规划模型。此类漏洞可能导致勒索软件、敏感数据泄露等广泛攻击。规划器通过生成攻击来识别云中的此类漏洞。最后,我们在不同商业组织的14个真实Amazon AWS云配置上测试了我们的方法。我们的系统能够识别出广泛的安全漏洞,而这是最先进的行业工具无法检测到的。

英文摘要:

Cloud computing services provide scalable and cost-effective solutions for data storage, processing, and collaboration. With their growing popularity, concerns about security vulnerabilities are increasing. To address this, first, we provide a formal model, called CloudLens, that expresses relations between different cloud objects such as users, datastores, security roles, representing access control policies in cloud systems. Second, as access control misconfigurations are often the primary driver for cloud attacks, we develop a planning model for detecting security vulnerabilities. Such vulnerabilities can lead to widespread attacks such as ransomware, sensitive data exfiltration among others. A planner generates attacks to identify such vulnerabilities in the cloud. Finally, we test our approach on 14 real Amazon AWS cloud configurations of different commercial organizations. Our system can identify a broad range of security vulnerabilities, which state-of-the-art industry tools cannot detect.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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