Security of industrial sensor network-based remote substations in the context of the Internet of Things

Authors: Cristina Alcaraz, Rodrigo Roman, Pablo Najera, Javier Lopez

Abstract:
The main objective of remote substations is to provide the central system with sensitive information from critical infrastructures, such as generation, distribution or transmission power systems. Wireless sensor networks have been recently applied in this particular context due to their attractive services and inherent benefits, such as simplicity, reliability and cost savings. However, as the number of control and data acquisition systems that use the Internet infrastructure to connect to substations increases, it is necessary to consider what connectivity model the sensor infrastructure should follow: either completely isolated from the Internet or integrated with it as part of the Internet of Things paradigm. This paper therefore addresses this question by providing a thorough analysis of both security requirements and infrastructural requirements corresponding to all those TCP/IP integration strategies that can be applicable to networks with constrained computational resources.

Keywords:
The Internet
Supervisory Control and Data Acquisition
(SCADA) Systems
Industrial Control Networks
Wireless Sensor Networks
Internet of Things

Published in: Ad Hoc Networks (Volume 11, Issue 3, January 2013)

Publisher: Elsevier

ISSN Information: 1570-8705

Security of industrial sensor network-based remote substations in the context of the Internet of Things

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