NDLI: An Intrusion and Fault Tolerant Forensic Storage for a SIEM System

Content Provider	IEEE Xplore Digital Library
Author	Afzaal, M. Di Sarno, C. Dantonio, S. Romano, L.
Copyright Year	2012
Abstract	Current Security Information and Events Management (SIEM) solutions lack a data storage facility which is secure enough - i.e. stored events related to security incidents cannot be forged and are always available - that it can be used for forensic purposes. Forensic storage used by current SIEM solutions uses traditional RSA algorithm to sign the security events. In this paper we have analyzed the limits of current forensic storages, and we have proposed an architecture for forensic storage, implementing a threshold-based variant of the RSA algorithm, that outperforms state of the art SIEM solutions in terms of intrusion- and fault-tolerance. We show by experiments that our forensic storage works correctly even in the presence of cyber-attacks, although with a performance penalty. We also conduct an experimental campaign to evaluate the performance cost of the proposed scheme as a function of the threshold.
Starting Page	579
Ending Page	586
File Size	449638
Page Count	8
File Format	PDF
ISBN	9781467351522
DOI	10.1109/SITIS.2012.89
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-11-25
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fault tolerance Correlation Forensics Fault tolerant systems Critical Infrastructure Protection Computer architecture Forensic Storage Cryptography Threshold Cryptography Fault- and Intrusion-Tolerant Architecture
Content Type	Text
Resource Type	Article

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