<italic>Sphinx</italic>: a Colluder-Resistant Trust Mechanism for Collaborative Intrusion Detection

The destructive effects of cyber-attacks demand more proactive security approaches. One such promising approach is the idea of collaborative intrusion detection systems (CIDSs). These systems combine the knowledge of multiple sensors (e.g., intrusion detection systems, honeypots, or firewalls) to cr...

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Main Authors: Carlos Garcia Cordero, Giulia Traverso, Mehrdad Nojoumian, Sheikh Mahbub Habib, Max Muhlhauser, Johannes Buchmann, Emmanouil Vasilomanolakis
Format: Article
Language:English
Published: IEEE 2018-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/8529228/
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author Carlos Garcia Cordero
Giulia Traverso
Mehrdad Nojoumian
Sheikh Mahbub Habib
Max Muhlhauser
Johannes Buchmann
Emmanouil Vasilomanolakis
author_facet Carlos Garcia Cordero
Giulia Traverso
Mehrdad Nojoumian
Sheikh Mahbub Habib
Max Muhlhauser
Johannes Buchmann
Emmanouil Vasilomanolakis
author_sort Carlos Garcia Cordero
collection DOAJ
description The destructive effects of cyber-attacks demand more proactive security approaches. One such promising approach is the idea of collaborative intrusion detection systems (CIDSs). These systems combine the knowledge of multiple sensors (e.g., intrusion detection systems, honeypots, or firewalls) to create a holistic picture of a monitored network. Sensors monitor parts of a network and exchange alert data to learn from each other, improve their detection capabilities and ultimately identify sophisticated attacks. Nevertheless, if one or a group of sensors is unreliable (due to incompetence or malice), the system might miss important information needed to detect attacks. In this paper, we propose <italic>Sphinx</italic>, an evidence-based trust mechanism capable of detecting unreliable sensors within a CIDS. The <italic>Sphinx</italic> detects, both, single sensors or coalitions of dishonest sensors that lie about the reliability of others to boost or worsen their trust score. Our evaluation shows that, given an honest majority of sensors, dishonesty is punished in a timely manner. Moreover, if several coalitions exist, even when more than 50&#x0025; of all sensors are dishonest, dishonesty is punished.
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spelling doaj.art-ef99bbdc052c4a6d82bb62fcc4ee5e182022-12-21T18:35:58ZengIEEEIEEE Access2169-35362018-01-016724277243810.1109/ACCESS.2018.28802978529228<italic>Sphinx</italic>: a Colluder-Resistant Trust Mechanism for Collaborative Intrusion DetectionCarlos Garcia Cordero0Giulia Traverso1Mehrdad Nojoumian2Sheikh Mahbub Habib3Max Muhlhauser4Johannes Buchmann5Emmanouil Vasilomanolakis6https://orcid.org/0000-0001-5068-9158Department of Computer Science, Technische Universit&#x00E4;t Darmstadt, Darmstadt, GermanyDepartment of Computer Science, Technische Universit&#x00E4;t Darmstadt, Darmstadt, GermanyDepartment of Computer and Electrical Engineering and Computer Science, Florida Atlantic University, Boca Raton, FL, USAContinental AG, Frankfurt, GermanyDepartment of Computer Science, Technische Universit&#x00E4;t Darmstadt, Darmstadt, GermanyDepartment of Computer Science, Technische Universit&#x00E4;t Darmstadt, Darmstadt, GermanyDepartment of Computer Science, Technische Universit&#x00E4;t Darmstadt, Darmstadt, GermanyThe destructive effects of cyber-attacks demand more proactive security approaches. One such promising approach is the idea of collaborative intrusion detection systems (CIDSs). These systems combine the knowledge of multiple sensors (e.g., intrusion detection systems, honeypots, or firewalls) to create a holistic picture of a monitored network. Sensors monitor parts of a network and exchange alert data to learn from each other, improve their detection capabilities and ultimately identify sophisticated attacks. Nevertheless, if one or a group of sensors is unreliable (due to incompetence or malice), the system might miss important information needed to detect attacks. In this paper, we propose <italic>Sphinx</italic>, an evidence-based trust mechanism capable of detecting unreliable sensors within a CIDS. The <italic>Sphinx</italic> detects, both, single sensors or coalitions of dishonest sensors that lie about the reliability of others to boost or worsen their trust score. Our evaluation shows that, given an honest majority of sensors, dishonesty is punished in a timely manner. Moreover, if several coalitions exist, even when more than 50&#x0025; of all sensors are dishonest, dishonesty is punished.https://ieeexplore.ieee.org/document/8529228/Clusteringcollaborative intrusion detectionmachine learningmixture modelssensor reliabilitytrust management
spellingShingle Carlos Garcia Cordero
Giulia Traverso
Mehrdad Nojoumian
Sheikh Mahbub Habib
Max Muhlhauser
Johannes Buchmann
Emmanouil Vasilomanolakis
<italic>Sphinx</italic>: a Colluder-Resistant Trust Mechanism for Collaborative Intrusion Detection
IEEE Access
Clustering
collaborative intrusion detection
machine learning
mixture models
sensor reliability
trust management
title <italic>Sphinx</italic>: a Colluder-Resistant Trust Mechanism for Collaborative Intrusion Detection
title_full <italic>Sphinx</italic>: a Colluder-Resistant Trust Mechanism for Collaborative Intrusion Detection
title_fullStr <italic>Sphinx</italic>: a Colluder-Resistant Trust Mechanism for Collaborative Intrusion Detection
title_full_unstemmed <italic>Sphinx</italic>: a Colluder-Resistant Trust Mechanism for Collaborative Intrusion Detection
title_short <italic>Sphinx</italic>: a Colluder-Resistant Trust Mechanism for Collaborative Intrusion Detection
title_sort italic sphinx italic a colluder resistant trust mechanism for collaborative intrusion detection
topic Clustering
collaborative intrusion detection
machine learning
mixture models
sensor reliability
trust management
url https://ieeexplore.ieee.org/document/8529228/
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