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Vianello V.,Technical University of Madrid | Gulisano V.,Technical University of Madrid | Jimenez-Peris R.,Technical University of Madrid | Patino-Martinez M.,Technical University of Madrid | And 3 more authors.
Proceedings - 2013 International Conference on Availability, Reliability and Security, ARES 2013 | Year: 2013

The security event correlation scalability has become a major concern for security analysts and IT administrators when considering complex IT infrastructures that need to handle gargantuan amounts of events or wide correlation window spans. The current correlation capabilities of Security Information and Event Management (SIEM), based on a single node in centralized servers, have proved to be insufficient to process large event streams. This paper introduces a step forward in the current state of the art to address the aforementioned problems. The proposed model takes into account the two main aspects of this field: distributed correlation and query parallelization. We present a case study of a multiple-step attack on the Olympic Games IT infrastructure to illustrate the applicability of our approach. © 2013 IEEE.

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