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J. E. Rubio, R. Roman, and J. Lopez, "Integration of a Threat Traceability Solution in the Industrial Internet of Things",
IEEE Transactions on Industrial Informatics, vol. 16, issue 10, no. 6575-6583, IEEE, 10/2020. DOI (I.F.: 9.112)More..

Abstract

In Industrial Internet of Things (IIoT) scenarios, where a plethora of IoT technologies coexist with consolidated industrial infrastructures, the integration of security mechanisms that provide protection against cyber-security attacks becomes a critical challenge. Due to the stealthy and persistent nature of some of these attacks, such as Advanced Persistent Threats, it is crucial to go beyond traditional Intrusion Detection Systems for the traceability of these attacks. In this sense, Opinion Dynamics poses a novel approach for the correlation of anomalies, which has been successfully applied to other network security domains. In this paper, we aim to analyze its applicability in the IIoT from a technical point of view, by studying its deployment over different IIoT architectures and defining a common framework for the acquisition of data considering the computational constraints involved. The result is a beneficial insight that demonstrates the feasibility of this approach when applied to upcoming IIoT infrastructures.

Impact Factor: 9.112
Journal Citation Reports® Science Edition (Thomson Reuters, 2019)

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J. E. Rubio, R. Roman, C. Alcaraz, and Y. Zhang, "Tracking Advanced Persistent Threats in Critical Infrastructures through Opinion Dynamics",
European Symposium on Research in Computer Security (ESORICS 2018), vol. 11098, Springer, pp. 555-574, 08/2018. DOI More..

Abstract

Advanced persistent threats pose a serious issue for modern industrial environments, due to their targeted and complex attack vectors that are difficult to detect. This is especially severe in critical infrastructures that are accelerating the integration of IT technologies. It is then essential to further develop effective monitoring and response systems that ensure the continuity of business to face the arising set of cyber-security threats. In this paper, we study the practical applicability of a novel technique based on opinion dynamics, that permits to trace the attack throughout all its stages along the network by correlating different anomalies measured over time, thereby taking the persistence of threats and the criticality of resources into consideration. The resulting information is of essential importance to monitor the overall health of the control system and correspondingly deploy accurate response procedures.

PDF icon RubioRomanAlcarazZhang2018.pdf (1.21 MB)
C. Alcaraz, L. Cazorla, and J. Lopez, "Cyber-Physical Systems for Wide-Area Situational Awareness",
Cyber-Physical Systems: Foundations, Principles and Applications, no. Intelligent Data-Centric Systems, Academic Press, pp. 305 - 317, 2017. DOI More..

Abstract

Abstract Cyber-physical systems (CPSs), integrated in critical infrastructures, could provide the minimal services that traditional situational awareness (SA) systems demand. However, their application in SA solutions for the protection of large control distributions against unforeseen faults may be insufficient. Dynamic protection measures have to be provided not only to locally detect unplanned deviations but also to prevent, respond, and restore from these deviations. The provision of these services as an integral part of the SA brings about a new research field known as wide-area situational awareness (WASA), highly dependent on CPSs for control from anywhere across multiple interconnections, and at any time. Thus, we review the state-of-the art of this new paradigm, exploring the different preventive and corrective measures considering the heterogeneity of CPSs, resulting in a guideline for the construction of automated WASA systems.

PDF icon 1590.pdf (544.05 KB)
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