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arXiv 2104.11580cs.CR
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使用马尔可夫链和通用漏洞评分系统(CVSS)识别和建模IoMT边缘网络的安全威胁

Identifying and Modeling Security Threats for IoMT Edge Network using Markov Chain and Common Vulnerability Scoring System (CVSS)

Maha Ali Allouzi, Javed I. Khan

摘要:

在这项工作中,我们利用医疗物联网(IoMT)设备定义了网络的攻击向量,并基于马尔可夫链和通用漏洞评分系统(CVSS)计算IoMT安全威胁的概率分布。IoMT是一项新兴技术,通过允许不受时间和地点限制的个性化电子医疗服务来改善患者的生活质量。IoMT由嵌入式对象、传感器和执行器组成,用于传输和接收医疗数据。这些医疗设备容易受到不同类型的安全威胁,因此,它们对患者的隐私和安全构成重大风险。由于安全性是将IoMT成功融合到普及医疗系统的关键因素,因此迫切需要新的安全机制来防止IoMT边缘网络上的威胁。朝着这个方向,第一步是定义一个攻击向量,攻击者或未经授权的用户可以利用它来渗透和篡改医疗数据。在本文中,我们为IoMT边缘网络指定了一个威胁模型。我们识别IoMT网络中允许未经授权的权限和威胁的任何漏洞或弱点,这些漏洞或弱点可以利用这些弱点来危害IoMT边缘网络。最后,我们基于马尔可夫转移概率矩阵计算IoMT威胁的概率分布。

英文摘要:

In this work, we defined an attack vector for networks utilizing the Internet of Medical Things (IoMT) devices and compute the probability distribution of IoMT security threats based on Markov chain and Common Vulnerability Scoring System (CVSS). IoMT is an emerging technology that improves patients' quality of life by permitting personalized e-health services without restrictions on time and site. The IoMT consists of embedded objects, sensors, and actuators that transmit and receive medical data. These Medical devices are vulnerable to different types of security threats, and thus, they pose a significant risk to patient's privacy and safety. Because security is a critical factor for successfully merging IoMT into pervasive healthcare systems, there is an urgent need for new security mechanisms to prevent threats on the IoMT edge network. Toward this direction, the first step is defining an attack vector that an attacker or unauthorized user can take advantage of to penetrate and tamper with medical data. In this article, we specify a threat model for the IoMT edge network. We identify any vulnerabilities or weaknesses within the IoMT network that allow unauthorized privileges and threats that can utilize these weaknesses to compromise the IoMT edge network. Finally, we compute the probability distribution of IoMT threats based on the Markov transition probability matrix.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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