Outputs (20)

Harnessing Blockchain: a Framework for Sustainable Reverse Supply Chain Optimization (2025)
Presentation / Conference Contribution
Ahmed, E., Ghaleb, B., Jan, S. U., Ahmad, J., Abubakar, M., & Al-Dubai, A. (2025, July). Harnessing Blockchain: a Framework for Sustainable Reverse Supply Chain Optimization. Presented at 2025 16th International Conference on Information and Communication Systems (ICICS), Irbid, Jordan

Vehicle recalls in the UK have surged in recent years, necessitating efficient and secure management of safety concerns by the Driver and Vehicle Standards Agency (DVSA) in partnership with manufacturers. The DVSA currently relies on traditional cent... Read More about Harnessing Blockchain: a Framework for Sustainable Reverse Supply Chain Optimization.

TrustShare: Secure and Trusted Blockchain Framework for Threat Intelligence Sharing (2025)
Journal Article
Ali, H., Buchanan, W. J., Ahmad, J., Abubakar, M., Khan, M. S., & Wadhaj, I. (2025). TrustShare: Secure and Trusted Blockchain Framework for Threat Intelligence Sharing. Future Internet, 17(7), Article 289. https://doi.org/10.3390/fi17070289

We introduce TrustShare, a novel blockchain-based framework designed to enable secure, privacy-preserving, and trust-aware cyber threat intelligence (CTI) sharing across organizational boundaries. Leveraging Hyperledger Fabric, the architecture suppo... Read More about TrustShare: Secure and Trusted Blockchain Framework for Threat Intelligence Sharing.

Privacy-Preserving and Scalable Digital Evidence Management: A Hyperledger Fabric Architecture with Growth Projections for Law Enforcement (2025)
Presentation / Conference Contribution
Onyeashie, B. I., Abubakar, M., Leimich, P., McKeown, S., & Russell, G. (2025, April). Privacy-Preserving and Scalable Digital Evidence Management: A Hyperledger Fabric Architecture with Growth Projections for Law Enforcement. Presented at 2025 International Conference on New Trends in Computing Sciences (ICTCS), Amman, Jordan

Managing digital evidence presents challenges in scalability, security, and workflow separation. This paper presents a novel architecture using Hyperledger Fabric that separates law enforcement, forensic, and judicial workflows into different channel... Read More about Privacy-Preserving and Scalable Digital Evidence Management: A Hyperledger Fabric Architecture with Growth Projections for Law Enforcement.

A Blockchain-Based Secure Data-Sharing Framework for Automotive Supply Chains: Enhancing Privacy with Attribute-Based Encryption (2025)
Presentation / Conference Contribution
Ahmed, E., Ghaleb, B., Abubakar, M., & Jan, S. U. (2025, April). A Blockchain-Based Secure Data-Sharing Framework for Automotive Supply Chains: Enhancing Privacy with Attribute-Based Encryption. Presented at 2025 International Conference on New Trends in Computing Sciences (ICTCS), Amman, Jordan

Original Equipment Manufacturers (OEMs) encounter significant challenges in facilitating secure and efficient data sharing, as they must strike a delicate balance between maintaining stringent data confidentiality and enabling seamless collaboration... Read More about A Blockchain-Based Secure Data-Sharing Framework for Automotive Supply Chains: Enhancing Privacy with Attribute-Based Encryption.

vSPACE: Voting in a Scalable, Privacy-Aware and Confidential Election (2025)
Presentation / Conference Contribution
Elnour, S., Buchanan, W. J., Keating, P., Abubakar, M., & Elnour, S. (2024, June). vSPACE: Voting in a Scalable, Privacy-Aware and Confidential Election. Presented at Cyber Science 2024, Edinburgh

The vSPACE experimental proof-of-concept (PoC) on a TrueElect extended protocol presents a novel approach to secure, private, and scalable elections, extending the TrueElect and other related protocols with the integration of Self-Sovereign Identity... Read More about vSPACE: Voting in a Scalable, Privacy-Aware and Confidential Election.

Exploring DTrace as an Incident Response Tool for Unix Systems (2025)
Presentation / Conference Contribution
Duin, J., Mckeown, S., & Abubakar, M. (2024, June). Exploring DTrace as an Incident Response Tool for Unix Systems. Presented at Cyber Science 2024, Edinburgh, Scotland

Critical National Infrastructure (CNI) is often the target of sophisticated and sustained cyber attacks perpetrated by advanced threat actors with considerable resources. These attacks can lead to interruptions in core services such as energy and wat... Read More about Exploring DTrace as an Incident Response Tool for Unix Systems.

A Systematic Review of the Blockchain Technology Security Challenges and Threats Classification (2025)
Presentation / Conference Contribution
Abubakar, M. A., Onyeashie, B. I., Wadhaj, I., Leimich, P., Ali, H., & Buchanan, W. J. (2024, November). A Systematic Review of the Blockchain Technology Security Challenges and Threats Classification. Presented at 6th International Conference on Blockchain Computing and Applications (BCCA 2024), Dubai, UAE

This study provides a comprehensive overview of blockchain technology, discusses its characteristics, and explains the hierarchical structure of the blockchain. Additionally, the study provides an in-depth analysis of various security threats and vul... Read More about A Systematic Review of the Blockchain Technology Security Challenges and Threats Classification.

Transforming EU Governance: The Digital Integration Through EBSI and GLASS (2024)
Presentation / Conference Contribution
Kasimatis, D., Buchanan, W. J., Abubakar, M., Lo, O., Chrysoulas, C., Pitropakis, N., Papadopoulos, P., Sayeed, S., & Sel, M. (2024, June). Transforming EU Governance: The Digital Integration Through EBSI and GLASS. Presented at 39th IFIP International Conference, Edinburgh, UK

Traditionally, government systems managed citizen identities through disconnected data systems, using simple identifiers and paper-based processes, limiting digital trust and requiring citizens to request identity verification documents. The digital... Read More about Transforming EU Governance: The Digital Integration Through EBSI and GLASS.

A Review of the Non-Fungible Tokens (NFT): Challenges and Opportunities (2024)
Presentation / Conference Contribution
Abubakar, M., Gunathilake, N. A., Buchanan, W. J., & O’Reilly, B. (2023, August). A Review of the Non-Fungible Tokens (NFT): Challenges and Opportunities. Presented at 13th EAI International Conference, BDTA 2023, Edinburgh

Non-Fungible Token (NFT) is an emerging blockchain-based technology. These tokens can represent digital assets, as it has proof of ownership built in. NFTs have the potential to hugely influence both the decentralised markets that exist now and the c... Read More about A Review of the Non-Fungible Tokens (NFT): Challenges and Opportunities.

PASSION: Permissioned Access Control for Segmented Devices and Identity for IoT Networks (2023)
Presentation / Conference Contribution
Ali, H., Abubakar, M., Ahmad, J., Buchanan, W. J., & Jaroucheh, Z. (2023, November). PASSION: Permissioned Access Control for Segmented Devices and Identity for IoT Networks. Presented at 2023 IEEE 28th International Workshop on Computer Aided Modeling and Design of Communication Links and Networks (CAMAD), Edinburgh, United Kingdom

In recent years, there has been a significant proliferation of industrial Internet of Things (IoT) applications, with a wide variety of use cases being developed and put into operation. As the industrial IoT landscape expands, the establishment of se... Read More about PASSION: Permissioned Access Control for Segmented Devices and Identity for IoT Networks.