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首頁> 外文期刊>IEEE transactions on dependable and secure computing >Performance Modeling of Moving Target Defenses with Reconfiguration Limits
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Performance Modeling of Moving Target Defenses with Reconfiguration Limits

機(jī)譯：使用重新配置限制移動(dòng)目標(biāo)防御性能模型

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Moving Target Defense (MTD) has recently emerged as a game changer in the security landscape due to its proven potential to introduce asymmetric uncertainty that gives the defender a tactical advantage over the attacker. Many different MTD techniques have been developed, but, despite the huge progress made in this area, critical gaps still exist with respect to the problem of studying and quantifying the cost and benefits of deploying MTDs. In fact, all existing techniques address a very narrow set of attack vectors, and, due to the lack of shared metrics, it is difficult to quantify and compare multiple techniques. Building on our preliminary work in this field, we propose a quantitative analytic model for assessing the resource availability and performance of MTDs, and a method for maximizing a utility function that captures the tradeoffs between security and performance. The proposed model generalizes our previous model and can be applied to a wider range of MTDs and operational scenarios to improve availability and performance by imposing limits on the maximum number of resources that can be in the process of being reconfigured. The analytic results are validated by simulation and experimentation, confirming the accuracy of our model.
機(jī)譯：由于其經(jīng)過驗(yàn)證的潛力來引入不對稱的不確定性，遷移目標(biāo)防御（MTD）最近被出現(xiàn)為安全景觀中的游戲更換器。許多不同的MTD技術(shù)已經(jīng)開發(fā)出來，但是，盡管在該領(lǐng)域取得了巨大進(jìn)展，但對于研究和量化部署MTD的成本和益處來說，仍存在嚴(yán)重差距。實(shí)際上，所有現(xiàn)有技術(shù)都在尋址一組非常狹窄的攻擊向量，并且由于缺乏共享度量，難以量化和比較多種技術(shù)。建立我們在本領(lǐng)域的初步工作，提出了一種定量分析模型，用于評估MTD的資源可用性和性能，以及最大化禁用安全性和性能之間權(quán)衡的實(shí)用程序功能的方法。建議的模型概括了我們之前的模型，可以應(yīng)用于更廣泛的MTD和操作場景，以通過對正在重新配置過程中的最大資源的限制來提高可用性和性能。通過仿真和實(shí)驗(yàn)驗(yàn)證了分析結(jié)果，確認(rèn)了我們模型的準(zhǔn)確性。

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