Cyber vulnerability maintenance policies that address the incomplete nature of inspection

Liu Enhao; Allen Theodore T.; Roychowdhury Sayak

摘要

Abstract >In cybersecurity, incomplete inspection, resulting mainly from computers being turned off during the scan, leads to a challenge for scheduling maintenance actions. This article proposes the application of partially observable decision processes to derive cost‐effective cyber maintenance actions that minimize total costs. We consider several types of hosts having vulnerabilities at various levels of severity. The maintenance cost structure in our proposed model consists of the direct costs of maintenance actions in addition to potential incident costs associated with different security states. To assess the benefits of optimal policies obtained from partially observable Markov decision processes, we use real‐world data from a major university. Compared with alternative policies using simulations, the optimal control policies can significantly reduce expected maintenance expenditures per host and relatively quickly mitigate the most important vulnerabilities. </abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> <div class="translation abstracttxt"> <span class="zhankaihshouqi fivelineshidden" id="abstract"> <span>机译：</span><Abstract Type =“Main”XML：Lang =“EN”XML：ID =“ASMB2487-ABS-ABS-0001”> <标题类型=“main”>抽象</ title> >在网络安全中，检查检查，主要从扫描期间关闭计算机，导致调度维护操作的挑战。本文提出适用部分可观察决策流程来推导成本有效的网络维护行动，以最大限度地降低总成本。我们考虑几种类型的宿主，在各种严重程度上具有漏洞。我们拟议模型中的维护成本结构包括除与不同安全国家相关的潜在事件成本之外的维护行动的直接成本。为了评估从部分可观察到的马尔可夫决策过程中获得的最佳政策的好处，我们使用来自一所重大大学的真实数据。与使用模拟的替代政策相比，最佳控制策略可以显着降低每个宿主的预期维护支出，并且相对迅速减轻最重要的漏洞。</ p> </摘要> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> </div> <div class="record"> <h2 class="all_title" id="enpatent33" >著录项</h2> <ul> <li> <span class="lefttit">来源</span> <div style="width: 86%;vertical-align: text-top;display: inline-block;"> <a href='/journal-foreign-19344/'>《Applied stochastic models in business and industry》</a> <b style="margin: 0 2px;">|</b><span>2019年第6期</span><b style="margin: 0 2px;">|</b><span>共21页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Liu Enhao&option=202" target="_blank" rel="nofollow">Liu Enhao;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Allen Theodore T.&option=202" target="_blank" rel="nofollow">Allen Theodore T.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Roychowdhury Sayak&option=202" target="_blank" rel="nofollow">Roychowdhury Sayak;</a> </p> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zkzz" style="display: none;">展开▼</span> </div> </li> <li> <div style="display: flex;"> <span class="lefttit">作者单位</span> <div style="position: relative;margin-left: 3px;max-width: 639px;"> <div class="threelineshidden zhankaihshouqi" id="fOrgthree"> <p>Department of Integrated Systems Engineering College of EngineeringThe Ohio State UniversityColumbus Ohio;</p> <p>Department of Integrated Systems Engineering College of EngineeringThe Ohio State UniversityColumbus Ohio;</p> <p>Industrial and Systems EngineeringIndian Institute of Technology KharagpurKharagpur India;</p> </div> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zhdw" style="display: none;">展开▼</span> </div> </div> </li> <li > <span class="lefttit">收录信息</span> <span style="width: 86%;vertical-align: text-top;display: inline-block;"></span> </li> <li> <span class="lefttit">原文格式</span> <span>PDF</span> </li> <li> <span class="lefttit">正文语种</span> <span>eng</span> </li> <li> <span class="lefttit">中图分类</span> <span><a href="https://www.zhangqiaokeyan.com/clc/1147.html" title="应用数学">应用数学;</a></span> </li> <li class="antistop"> <span class="lefttit">关键词</span> <p style="width: 86%;vertical-align: text-top;"> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=cyber vulnerabilities&option=203" rel="nofollow">cyber vulnerabilities;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=incomplete inspection&option=203" rel="nofollow">incomplete inspection;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=partially observable Markov decision process (POMDP)&option=203" rel="nofollow">partially observable Markov decision process (POMDP);</a> </p> <div class="translation"> 机译：网络漏洞;检查检查;部分可观察的马尔可夫决策过程（POMDP）; 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