Privacy-Preserving and Scalable Digital Evidence Management: A Hyperledger Fabric Architecture with Growth Projections for Law Enforcement
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 separat...
Forensic Joint Photographic Experts Group (JPEG) Watermarking for Disk Image Leak Attribution: An Adaptive Discrete Cosine Transform–Discrete Wavelet Transform (DCT-DWT) Approach
Journal Article
Onyeashie, B. I., Leimich, P., McKeown, S., & Russell, G. (2025)
Forensic Joint Photographic Experts Group (JPEG) Watermarking for Disk Image Leak Attribution: An Adaptive Discrete Cosine Transform–Discrete Wavelet Transform (DCT-DWT) Approach. Electronics, 14(9), Article 1800. https://doi.org/10.3390/electronics14091800
This paper presents a novel forensic watermarking method for digital evidence distribution in non-cloud environments. The approach addresses the critical need for the secure s...
Exploring Dataset Diversity For GenAI Image Inpainting Localisation In Digital Forensics
Presentation / Conference Contribution
Thomson, M., McKeown, S., Macfarlane, R., & Leimich, P. (2025, April)
Exploring Dataset Diversity For GenAI Image Inpainting Localisation In Digital Forensics. Presented at The Digital Forensics Research Conference Europe (DFRWS EU 2025) Digital Forensics Doctoral Symposium (DFDS), Brno, Czech Republic
Generative Artificial Intelligence (GenAI) has significantly increased the sophistication and ease of image tampering techniques, posing challenges for digital forensics in id...
An Auditable Framework for Evidence Sharing and Management using Smart Lockers and Distributed Technologies: Law Enforcement Use Case
Conference Proceeding
Onyeashie, B., Leimich, P., McKeown, S., & Russell, G. (2024)
An Auditable Framework for Evidence Sharing and Management using Smart Lockers and Distributed Technologies: Law Enforcement Use Case. In Big Data Technologies and Applications (156-167). https://doi.org/10.1007/978-3-031-52265-9_11
This paper presents a decentralised framework for sharing and managing evidence that uses smart lockers, blockchain technology, and the InterPlanetary File System (IPFS). The ...
A Bibliometric Analysis and Systematic Review of a Blockchain-Based Chain of Custody for Digital Evidence
Conference Proceeding
Onyeashie, B. I., Leimich, P., McKeown, S., & Russell, G. (2024)
A Bibliometric Analysis and Systematic Review of a Blockchain-Based Chain of Custody for Digital Evidence. In Big Data Technologies and Applications. BDTA 2023. https://doi.org/10.1007/978-3-031-52265-9_8
The effective management of digital evidence is critical to modern forensic investigations. However, traditional evidence management approaches are often prone to security and...
Fast Forensic Triage Using Centralised Thumbnail Caches on Windows Operating Systems
Journal Article
Mckeown, S., Russell, G., & Leimich, P. (2020)
Fast Forensic Triage Using Centralised Thumbnail Caches on Windows Operating Systems. Journal of Digital Forensics, Security and Law, 14(3),
A common investigative task is to identify known contraband images on a device, which typically involves calculating cryptographic hashes for all the files on a disk and check...
Sub-file Hashing Strategies for Fast Contraband Detection
Conference Proceeding
McKeown, S., Russell, G., & Leimich, P. (2018)
Sub-file Hashing Strategies for Fast Contraband Detection. In 2018 International Conference on Cyber Security and Protection of Digital Services (Cyber Security)https://doi.org/10.1109/CyberSecPODS.2018.8560680
Traditional digital forensics processes do not scale well with the huge quantities of data present in a modern investigation, resulting in large investigative backlogs for man...
Reducing the Impact of Network Bottlenecks on Remote Contraband Detection
Conference Proceeding
McKeown, S., Russell, G., & Leimich, P. (2018)
Reducing the Impact of Network Bottlenecks on Remote Contraband Detection. In 2018 International Conference on Cyber Security and Protection of Digital Services (Cyber Security)https://doi.org/10.1109/CyberSecPODS.2018.8560671
Cloud based storage is increasing in popularity, with
large volumes of data being stored remotely. Digital forensics
investigators examining such systems remotely are limited ...
Fingerprinting JPEGs With Optimised Huffman Tables
Journal Article
McKeown, S., Russell, G., & Leimich, P. (2018)
Fingerprinting JPEGs With Optimised Huffman Tables. Journal of Digital Forensics, Security and Law, 13(2), Article 7. https://doi.org/10.15394/jdfsl.2018.1451
A common task in digital forensics investigations is to identify known contraband images. This is typically achieved by calculating a cryptographic digest, using hashing algor...
Fast Filtering of Known PNG Files Using Early File Features
Conference Proceeding
McKeown, S., Russell, G., & Leimich, P. (2017)
Fast Filtering of Known PNG Files Using Early File Features. In Proceedings of the Conference on Digital Forensics, Security and Law
A common task in digital forensics investigations is to identify known contraband images. This is typically achieved by calculating a cryptographic digest, using hashing algor...