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Mobile Networks and Applications

, Volume 23, Issue 4, pp 809–816 | Cite as

Smart Behavioural Filter for Industrial Internet of Things

A Security Extension for PLC
  • Giovanni Corbò
  • Chiara Foglietta
  • Cosimo Palazzo
  • Stefano Panzieri
Article
  • 218 Downloads

Abstract

We are currently experiencing the fourth industrial revolution. This is what the German government initiative, first, has identified with ‘Industry 4.0’. The manufacturing future will be marked and will go through the new automation technologies that are being introduced with Industrial Internet of Things (I2oT). Industrial Control Systems (ICSs) are exploiting I2oT for reducing costs and improving efficiency. However, ICSs are already jeopardized by an increasingly large set of threat vectors. Those threats are used by malicious actors to misuse physical Critical Infrastructures that usually are vital services for well-being. I2oT implementation increases the threat surface, generating new possible vulnerabilities. Information Technology (IT) classical approaches to cyber attacks cannot be applied to ICS due to their extreme differences from main priorities to resource constrains. Therefore, innovative approaches and equipment must be developed to suit with ICS world. In this paper, a Smart Behavioural Filter (SBF) for the PLCs (Programmable Logic Controllers) is proposed aiming to secure the PLC itself against logic attacks, that are stealth for other more classical security approaches. An example of the considered logic attacks is many open and close commands towards a valve in a short time. Those logic attacks are usually a sequence of well-formed packets in which the content represents an anomalous and unpredicted behaviour. This smart field equipment can react in short time to cyber attacks isolating the PLC, communicate with other equipment like itself and increasing in general the resilience of the physical system. It can also generate alarms for the local Intrusion Detection System (IDS). The proposed equipment has been developed and validated in a real test-bed within the FP7 CockpitCI project and H2020 ATENA project.

Keywords

Industrial control system Security Logical filtering Industrial internet of things (I2oTs) Industry 4.0 

Notes

Acknowledgments

The research paper is partially supported by the European Union’s Horizon 2020 research and innovation programme under Grant Agreement No. 700581 (ATENA - Advanced Tools to Assess and Mitigate the Criticality of ICT Components and Their Dependencies over Critical Infrastructures) www.atena-h2020.eu.

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Copyright information

© Springer Science+Business Media New York 2017

Authors and Affiliations

  1. 1.University “Roma TRE”RomeItaly

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