Istituto di Informatica e Telematica     
Matteucci I. Closing the loop of SIEM analysis to Secure Critical Infrastructures. In: BIG4CIP (Newcastle, 13 05 2014). Proceedings, pp. 1 - 6. CoRR abs/1405.2995, 2014.
Critical Infrastructure Protection is one of the main challenges of last years. Security Information and Event Management (SIEM) systems are widely used for coping with this challenge. However, they currently present several limitations that have to be overcome. In this paper we propose an enhanced SIEM system in which we have introduced novel components to i) enable multiple layer data analysis; ii) resolve conflicts among security policies, and discover unauthorized data paths in such a way to be able to reconfigure network devices. Furthermore, the system is enriched by a Resilient Event Storage that ensures integrity and unforgeability of events stored.
Subject Decision Support System
Hydroelectric Dam
Security Information
Event Management
B.1.3 Control Structure Reliability

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