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I. Stellios, P. Kotzanikolaou, M. Psarakis, and C. Alcaraz, "Risk Assessment for IoT-Enabled Cyber-Physical Systems",
Advances in Core Computer Science-Based Technologies, Springer International Publishing, pp. 157-173, 2021. DOI More..

Abstract

Internet of Things (IoT) technologies have enabled Cyber-Physical Systems (CPS) to become fully interconnected. This connectivity however has radically changed their threat landscape. Existing risk assessment methodologies often fail to identify various attack paths that stem from the new connectivity/functionality features of IoT-enabled CPS. Even worse, due to their inherent characteristics, IoT systems are usually the weakest link in the security chain and thus many attacks utilize IoT technologies as their key enabler. In this paper we review risk assessment methodologies for IoT-enabled CPS. In addition, based on our previous work (Stellios et al. in IEEE Commun Surv Tutor 20:3453–3495, 2018, [47]) on modeling IoT-enabled cyberattacks, we present a high-level risk assessment approach, specifically suited for IoT-enabled CPS. The mail goal is to enable an assessor to identify and assess non-obvious(indirect or subliminal) attack paths introduced by IoT technologies, that usually target mission critical components of an CPS.

I. Stellios, P. Kotzanikolaou, M. Psarakis, C. Alcaraz, and J. Lopez, "Survey of IoT-enabled Cyberattacks: Assessing Attack Paths to Critical Infrastructures and Services",
IEEE Communications Surveys and Tutorials, vol. 20, issue 4, IEEE, pp. 3453-3495, 07/2018. DOI (I.F.: 22.973)More..

Abstract

As the deployment of Internet of Things (IoT) is experiencing an exponential growth, it is no surprise that many recent cyber attacks are IoT-enabled: The attacker initially exploits some vulnerable IoT technology as a first step towards compromising a critical system that is connected, in some way, with the IoT. For some sectors, like industry, smart grids, transportation and medical services, the significance of such attacks is obvious, since IoT technologies are part of critical backend systems. However, in sectors where IoT is usually at the enduser side, like smart homes, such attacks can be underestimated, since not all possible attack paths are examined. In this paper we survey IoT-enabled cyber attacks, found in all application domains since 2010. For each sector, we emphasize on the latest, verified IoT-enabled attacks, based on known real-world incidents and published proof-of-concept attacks. We methodologically analyze representative attacks that demonstrate direct, indirect and subliminal attack paths against critical targets. Our goal is threefold: (i) To assess IoT-enabled cyber attacks in a risk-like approach, in order to demonstrate their current threat landscape; (ii) To identify hidden and subliminal IoT-enabled attack paths against critical infrastructures and services, and (iii) To examine mitigation strategies for all application domains.

Impact Factor: 22.973
Journal Citation Reports® Science Edition (Thomson Reuters, 2018)

M. Soriano, J. Lopez, and F. Jordi Eds., "Second Spanish Conference on Electronic Commerce, SCE’03, Barcelona, 10-11 June 2003, Proceedings",
SCE’03, vol. 7, Fundacion Dintel, 2003.
F.. Siddiqui, S.. Zeadally, C. Alcaraz, and S.. Galvao, "Smart Grid Privacy: Issues and Solutions",
21st International Conference on Computer Communications and Networks (ICCCN), IEEE Computer Society, pp. 1-5, Jul 2012. DOI More..

Abstract

Migration to an electronically controlled electrical grid to transmit, distribute, and deliver power to consumers has helped enhance the reliability and efficiency of conventional electricity systems. At the same time, this digitally enabled technology called the Smart Grid has brought new challenges to businesses and consumers alike. A key component of such a grid is the smart-metering technology, which is used to collect energy consumption data from homes and transmitting it back to power distributors. A crucial concern is the privacy related to the collection and use of energy consumption data. We present an analysis of Smart Grid privacy issues and discuss recently proposed solutions that can protect the privacy of Smart Grid users.

F. Sanchez-Cid, A. Munoz, D. Serrano, and C. Fernandez-Gago, "Software Engineering Techniqes Applied to AmI: Security Patterns",
First International Conference on Ambient Intelligence Developments (AmID’06), Springer, pp. 108-123, September, 2006. DOI More..

Abstract

The realization of the Ambient Intelligence concept entails many important challenges, but the most important barriers to this realization is the lack of adequate support for security. In this paper we present a conceptual model of our solution for building secure systems for AmI environments, taking as basis the concept of Security and Dependability (S&D) Pattern as a precise representation of validated S&D solutions and mechanisms. The main elements embedded in our solution framework (S&D library, monitoring interface and S&D Manager) are presented both conceptually, and also using a simple example scenario based on an hospital AmI environment.

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