A new network model for cyber threat intelligence sharing using blockchain technology

Daire Homan, Ian Shiel, Christina Thorpe

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The aim of this research is to propose a new blockchain network model that facilitates the secure dissemination of Cyber Threat Intelligence (CTI) data. The primary motivations for this study are based around the recent changes to information security legislation in the European Union and the challenges that Computer Security and Incident Response Teams (CSIRT) face when trying to share actionable and highly sensitive data within systems where participants do not always share the same interests or motivations. We discuss the common problems within the domain of CTI sharing and we propose a new model, that leverages the security properties of blockchain. Our model provides a more effective and efficient framework for a CTI sharing network that has the potential to overcome the trust barriers and data privacy issues inherent in this domain. We implemented a testbed using Hyperledger Fabric and the STIX 2.0 protocol and validated the efficacy of the segmentation, implemented using smart contracts and Fabric channels.

Original languageEnglish
Title of host publication2019 10th IFIP International Conference on New Technologies, Mobility and Security, NTMS 2019 - Proceedings and Workshop
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728115429
DOIs
Publication statusPublished - Jun 2019
Event10th IFIP International Conference on New Technologies, Mobility and Security, NTMS 2019 - Canary Islands, Spain
Duration: 24 Jun 201926 Jun 2019

Publication series

Name2019 10th IFIP International Conference on New Technologies, Mobility and Security, NTMS 2019 - Proceedings and Workshop

Conference

Conference10th IFIP International Conference on New Technologies, Mobility and Security, NTMS 2019
Country/TerritorySpain
CityCanary Islands
Period24/06/1926/06/19

Keywords

  • Blockchain
  • Cyber threat intelligence
  • Privacy
  • Security
  • Trust

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