云环境中相互审核的技术

Daniel Ladouceur, Bimmy Pujari, Edward Gleeck, Joel Coffman
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引用次数: 0

摘要

相互审计提供了云服务提供商(CSP)和云服务客户(CSC)之间的可见性,告知双方相互关联所带来的风险。在这项工作中,我们开发和实验了两个系统,旨在实现这种可审计性:一个专门的基于网络的入侵检测系统(NIDS)实现,基于传统的入侵系统(TBIS),它使csp能够洞察客户虚拟机(vm)的恶意活动,而不会破坏CSC的隐私;一个补充系统,基于管理程序的入侵系统(HBIS),通过检测侧通道攻击,提供对共同驻留CSCs恶意活动的可见性。为了确保我们的设计不会将新的漏洞引入云环境,我们研究了使用这些审计工具作为攻击向量本身的可能性,以及在发现此类漏洞时可能的缓解措施。
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Techniques for Mutual Auditability in a Cloud Environment
Mutual auditability offers visibility between a cloud service provider (CSP) and cloud service customer (CSC), informing both of the risks posed by their association with the other. In this work, we develop and experiment with two systems designed to enable such auditability: a specialized network-based intrusion detection system (NIDS) implementation, traditional-based intrusion system (TBIS), that gives CSPs insight into the malicious activity by clients' virtual machines (VMs) without undermining the CSC's privacy, and a complementary system, hypervisor-based intrusion system (HBIS), that provides visibility into malicious activities of co-resident CSCs by detecting side channel attacks. In order to ensure that our design does not introduce new vulnerabilities into the cloud environment, we examine the potential of using these auditing tools as attack vectors themselves and potential mitigations if such vulnerabilities are found.
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