TamForen: A tamper-proof cloud forensic framework,Transactions on Emerging Telecommunications Technologies

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TamForen: A tamper-proof cloud forensic framework
Transactions on Emerging Telecommunications Technologies ( IF 2.5 ) Pub Date : 2020-11-30 , DOI: 10.1002/ett.4178
Fei Ye ₁ , Yunzhi Zheng ₁ , Xiao Fu ₁ , Bin Luo ₁ , Xiaojiang Du ₂ , Mohsen Guizani ₃

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Cloud forensics has become increasingly critical in cloud computing security in recent years. A fundamental problem in cloud forensics is how to safely and effectively obtain, preserve, and analyze evidence. With massive cloud forensic systems and tools having been proposed over the years, we identify one challenge that is not adequately addressed in the current literature. The problem is “credibility of cloud evidence”; this is where the evidence collected in the cloud is unreliable due to its multitenancy and the multiple participants in the forensic process. In this paper, we develop a new Cloud Forensics Tamper-Proof Framework (TamForen) for cloud forensics, which can be used in an untrusted and multitenancy cloud environment. This framework relies on the cloud forensics system independent of the daily cloud activities and is implemented based on the Multilayer Compressed Counting Bloom Filter. Unlike existing cloud forensics methods that depend on the support and trust of cloud service providers, TamForen takes into account the untrustworthiness of participants in the forensics process and conducts tamper-proof protection of data in a decentralized way without violating users' privacy. We simulate a cloud forensics environment to evaluate TamForen, and the results show that TamForen is feasible.

中文翻译：

TamForen：一个防篡改的云取证框架

近年来，云取证在云计算安全中变得越来越重要。云取证的一个基本问题是如何安全有效地获取、保存和分析证据。多年来，随着大量云取证系统和工具的提出，我们发现了当前文献中未充分解决的一个挑战。问题是“云证据的可信度”；这就是云中收集的证据不可靠的地方，因为它是多租户的，而且取证过程中有多个参与者。在本文中，我们为云取证开发了一种新的云取证防篡改框架 (TamForen)，可用于不受信任的多租户云环境。该框架依赖于独立于日常云活动的云取证系统，基于多层压缩计数布隆过滤器实现。与现有的云取证方法依赖于云服务提供商的支持和信任不同，TamForen 考虑到取证过程中参与者的不可信，在不侵犯用户隐私的情况下，以去中心化的方式对数据进行防篡改保护。我们模拟了一个云取证环境来评估 TamForen，结果表明 TamForen 是可行的。TamForen 在取证过程中考虑到参与者的不信任，在不侵犯用户隐私的情况下，以去中心化的方式对数据进行防篡改保护。我们模拟了一个云取证环境来评估 TamForen，结果表明 TamForen 是可行的。TamForen 在取证过程中考虑到参与者的不信任，在不侵犯用户隐私的情况下，以去中心化的方式对数据进行防篡改保护。我们模拟了一个云取证环境来评估 TamForen，结果表明 TamForen 是可行的。

更新日期：2020-11-30

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