A Theory of Cyber Attacks: A Step Towards Analyzing MTD Systems

Rui Zhuang, Alexandru G. Bardas, S. DeLoach, Xinming Ou
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引用次数: 47

Abstract

Moving Target Defenses (MTD) have been touted as a game changing approach to computer security that eliminates the static nature of current computer systems -- an attacker's biggest advantage. While promising, the dynamism of MTD introduces challenges related to understanding and quantifying the impact of MTD systems on security, users, and attackers. To analyze this impact, both the concepts of MTD systems and cyber attacks must be formalized. While a theory of MTD systems was proposed in [18], this paper presents a theory of cyber attacks that supports the understanding and analysis of the interaction between MTD systems and the attacks they hope to thwart. The theory defines key concepts that support precise discussion of attacker knowledge, attack types, and attack instances. The paper also presents concrete examples to show how these definitions and concepts can be used in realistic scenarios.
网络攻击理论:迈向MTD系统分析的一步
移动目标防御(MTD)被吹捧为一种改变计算机安全的方法,它消除了当前计算机系统的静态特性——攻击者的最大优势。虽然很有希望,但MTD的动态性带来了与理解和量化MTD系统对安全性、用户和攻击者的影响相关的挑战。为了分析这种影响,MTD系统和网络攻击的概念都必须形式化。虽然在[18]中提出了MTD系统的理论,但本文提出了一种网络攻击理论,该理论支持对MTD系统与它们希望阻止的攻击之间相互作用的理解和分析。该理论定义了支持对攻击者知识、攻击类型和攻击实例进行精确讨论的关键概念。本文还提供了具体的例子来说明这些定义和概念如何在现实场景中使用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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