.png){kind=icon}
返回
Optimization-Time Analysis for Cybersecurity
.png){kind=icon}
PRE
AI
DOI：10.1109/TDSC.2021.3055981.png)
.png){kind=icon}
原文求助.png){kind=icon}
分享.png){kind=icon}
收藏
摘要
En 中文
A mathematical framework to reason about time resilience in cybersecurity is here introduced. We first consider an attacker who is able to mount several multi-stage attacks on the organization: the defender's objective is to select an optimal portfolio of security controls, within a given budget, to withstand the highest number of attacks. The mathematical model is a Markov chain with an initial state called the safe state, intermediate states for all possible attacks (each attack state denoting a probabilistic attack graph), and a sink state denoting a successful attack. The overall defence problem is formulated as a bi-level multi-objective optimization, i.e., the defender selects an optimal portfolio of security controls to mitigate an optimal attacker. In order to determine the probability of success of an attack two cases will be considered: (a) the expected probability of success and (b) the highest probability of success. We refer to these two cases as expected-time analysis and worst-case time analysis, respectively. To solve precisely these bi-level optimizations strong duality and Mixed Integer Linear Programming are used. We then extend the framework to investigate resilience in terms of the total duration of the attacks; variations of the previous optimizations are presented to this purpose. Finally numerical evaluations are provided to compare the results obtained from the expected-time analysis and the worst-case time analysis.
Keyword:
Security
Resilience
Organizations
Optimization
Markov processes
Analytical models
Mathematical model
Optimization
security
Markov processes
cyber-security
mixed integer linear programming
time resilience
AI总结
对已上传原文的论文进行重点信息的提取，主要内容包括：简要概述、研究摘要、背景介绍、关键亮点、图文解析、展望与总结。
期刊
IF:
7.5
论文数:
2.5K
被引数:
9.6K
机构
引用论文
分享收藏High Frequency Production of Colchicine Induced Autotetraploids in Faba Bean (Vicia faba L.).png)
CYTOLOGIA
OAAI
CYTOLOGIAIF0
OAAI分享收藏
查看更多内容