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Privacy-preserving and Trusted Threat Intelligence Sharing using Distributed Ledgers

Ali, Hashim; Papadopoulos, Pavlos; Ahmad, Jawad; Pit, Nikolaos; Jaroucheh, Zakwan; Buchanan, William J.



Threat information sharing is considered as one of the proactive defensive approaches for enhancing the overall security of trusted partners. Trusted partner organizations can provide access to past and current cybersecurity threats for reducing the risk of a potential cyberattack—the requirements for threat information sharing range from simplistic sharing of documents to threat intelligence sharing. Therefore, the storage and sharing of highly sensitive threat information raises considerable concerns regarding constructing a secure, trusted threat information exchange infrastructure. Establishing a trusted ecosystem for threat sharing will promote the validity, security, anonymity, scalability, latency efficiency, and traceability of the stored information that protects it from unauthorized disclosure. This paper proposes a system that ensures the security principles mentioned above by utilizing a distributed ledger technology that provides secure decentralized operations through smart contracts and provides a privacy-preserving ecosystem for threat information storage and sharing regarding the MITRE ATT&CK framework.

Presentation Conference Type Conference Paper (Published)
Conference Name IEEE SINCONF: 14th International Conference on Security of Information and Networks
Start Date Dec 15, 2021
End Date Dec 17, 2021
Acceptance Date Dec 7, 2021
Online Publication Date Feb 10, 2022
Publication Date 2022
Deposit Date Dec 21, 2021
Publicly Available Date Feb 11, 2022
Publisher Institute of Electrical and Electronics Engineers
Book Title IEEE SINCONF: 14th International Conference on Security of Information and Networks
Keywords Threat Information Sharing, MITRE ATT&CK, Distributed Ledger Technology, InterPlanetary File System, Hyperledger Fabric, Decentralised Identities, Blockchain, Privacy-Preserving, Cyber Hunting
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Privacy-preserving And Trusted Threat Intelligence Sharing Using Distributed Ledgers (accepted version) (24.6 Mb)

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