All Outputs (43)

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.

Trusted Threat Intelligence Sharing in Practice and Performance Benchmarking through the Hyperledger Fabric Platform (2022)
Journal Article
Ali, H., Ahmad, J., Jaroucheh, Z., Papadopoulos, P., Pitropakis, N., Lo, O., Abramson, W., & Buchanan, W. J. (2022). Trusted Threat Intelligence Sharing in Practice and Performance Benchmarking through the Hyperledger Fabric Platform. Entropy, 24(10), Article 1379. https://doi.org/10.3390/e24101379

Historically, threat information sharing has relied on manual modelling and centralised network systems, which can be inefficient, insecure, and prone to errors. Alternatively, private blockchains are now widely used to address these issues and impro... Read More about Trusted Threat Intelligence Sharing in Practice and Performance Benchmarking through the Hyperledger Fabric Platform.

Electromagnetic Side-Channel Attack Resilience against PRESENT Lightweight Block Cipher (2022)
Presentation / Conference Contribution
Gunathilake, N. A., Al-Dubai, A., Buchanan, W. J., & Lo, O. (2022, January). Electromagnetic Side-Channel Attack Resilience against PRESENT Lightweight Block Cipher. Presented at 2022 IEEE 6th International Conference on Cryptography, Security and Privacy (CSP 2022), Tianjin, China

Lightweight cryptography is a novel diversion from conventional cryptography that targets internet-of-things (IoT) platform due to resource constraints. In comparison, it offers smaller cryptographic primitives such as shorter key sizes, block sizes... Read More about Electromagnetic Side-Channel Attack Resilience against PRESENT Lightweight Block Cipher.

GLASS: A Citizen-Centric Distributed Data-Sharing Model within an e-Governance Architecture (2022)
Journal Article
Lo, O., Buchanan, W., Sayeed, S., Papadopoulos, P., Pitropakis, N., & Chrysoulas, C. (2022). GLASS: A Citizen-Centric Distributed Data-Sharing Model within an e-Governance Architecture. Sensors, 22(6), Article 2291. https://doi.org/10.3390/s22062291

E-governance is a process that aims to enhance a government’s ability to simplify all the processes that may involve government, citizens, businesses, and so on. The rapid evolution of digital technologies has often created the necessity for the esta... Read More about GLASS: A Citizen-Centric Distributed Data-Sharing Model within an e-Governance Architecture.

PAN-DOMAIN: Privacy-preserving Sharing and Auditing of Infection Identifier Matching (2022)
Presentation / Conference Contribution
Abramson, W., Buchanan, W. J., Sayeed, S., Pitropakis, N., & Lo, O. (2021, December). PAN-DOMAIN: Privacy-preserving Sharing and Auditing of Infection Identifier Matching. Presented at 14th International Conference on Security of Information and Networks, Edinburgh [Online]

The spread of COVID-19 has highlighted the need for a robust contact tracing infrastructure that enables infected individuals to have their contacts traced, and followed up with a test. The key entities involved within a contact tracing infrastructur... Read More about PAN-DOMAIN: Privacy-preserving Sharing and Auditing of Infection Identifier Matching.

GLASS: Towards Secure and Decentralized eGovernance Services using IPFS (2022)
Presentation / Conference Contribution
Chrysoulas, C., Thomson, A., Pitropakis, N., Papadopoulos, P., Lo, O., Buchanan, W. J., Domalis, G., Karacapilidis, N., Tsakalidis, D., & Tsolis, D. (2021, October). GLASS: Towards Secure and Decentralized eGovernance Services using IPFS. Presented at 7th Workshop On The Security Of Industrial Control Systems & Of Cyber-Physical Systems (CyberICPS 2021). In Conjunction With ESORICS 2021, Darmstadt, Germany

The continuously advancing digitization has provided answers to the bureaucratic problems faced by eGovernance services. This innovation led them to an era of automation, broadened the attack surface and made them a popular target for cyber attacks.... Read More about GLASS: Towards Secure and Decentralized eGovernance Services using IPFS.

A Privacy-Preserving Platform for Recording COVID-19 Vaccine Passports (2022)
Presentation / Conference Contribution
Barati, M., Buchanan, W. J., Lo, O., & Rana, O. (2021, December). A Privacy-Preserving Platform for Recording COVID-19 Vaccine Passports. Presented at 14th IEEE/ACM International Conference on Utility and Cloud Computing, Leicester

Digital vaccination passports are being proposed by various governments internationally. Trust, scalability and security are all key challenges in implementing an online vaccine passport. Initial approaches attempt to solve this problem by using cent... Read More about A Privacy-Preserving Platform for Recording COVID-19 Vaccine Passports.

Electromagnetic Analysis of an Ultra-Lightweight Cipher: PRESENT (2021)
Presentation / Conference Contribution
Gunathilake, N. A., Al-Dubai, A., Buchanan, W. J., & Lo, O. (2021). Electromagnetic Analysis of an Ultra-Lightweight Cipher: PRESENT. In 10th International Conference on Cryptography and Information Security (CRYPIS 2021) (185-205)

Side-channel attacks are an unpredictable risk factor in cryptography. Therefore, continuous observations of physical leakages are essential to minimise vulnerabilities associated with cryptographic functions. Lightweight cryptography is a novel appr... Read More about Electromagnetic Analysis of an Ultra-Lightweight Cipher: PRESENT.

Privacy-Preserving Passive DNS (2020)
Journal Article
Papadopoulos, P., Pitropakis, N., Buchanan, W. J., Lo, O., & Katsikas, S. (2020). Privacy-Preserving Passive DNS. Computers, 9(3), Article 64. https://doi.org/10.3390/computers9030064

The Domain Name System (DNS) was created to resolve the IP addresses of web servers to easily remembered names. When it was initially created, security was not a major concern; nowadays, this lack of inherent security and trust has exposed the global... Read More about Privacy-Preserving Passive DNS.

Wi-Fi Channel Saturation as a Mechanism to Improve Passive Capture of Bluetooth Through Channel Usage Restriction (2019)
Journal Article
Lowe, I., Buchanan, W. J., Macfarlane, R., & Lo, O. (2019). Wi-Fi Channel Saturation as a Mechanism to Improve Passive Capture of Bluetooth Through Channel Usage Restriction. Journal of Networking Technology, 10(4), 124-155. https://doi.org/10.6025/jnt/2019/10/4/124-155

Bluetooth is a short-range wireless technology that provides audio and data links between personal smartphones and playback devices, such as speakers, headsets and car entertainment systems. Since its introduction in 2001, security researchers have s... Read More about Wi-Fi Channel Saturation as a Mechanism to Improve Passive Capture of Bluetooth Through Channel Usage Restriction.

Identifying Vulnerabilities Using Internet-wide Scanning Data (2019)
Presentation / Conference Contribution
O'Hare, J., Macfarlane, R., & Lo, O. (2019, January). Identifying Vulnerabilities Using Internet-wide Scanning Data. Presented at 12th International Conference on Global Security, Safety and Sustainability - ICGS3-19, London, United Kingdom

Internet-wide scanning projects such as Shodan and Censys, scan the Internet and collect active reconnaissance results for online devices. Access to this information is provided through associated websites. The Internet-wide scanning data can be used... Read More about Identifying Vulnerabilities Using Internet-wide Scanning Data.

System and method for management of confidential data (2018)
Patent
Buchanan, B., Lo, O., Macfarlane, R., Penrose, P., & Ramsay, B. (2018). System and method for management of confidential data. GB2561176A

This application is for a method of data management to identify confidential digital content on a database by first receiving a management request 302 from a system 304 to carry out data management operations. These include the identification of data... Read More about System and method for management of confidential data.

Method for identification of digital content (2018)
Patent
Buchanan, B., Lo, O., Penrose, P., Ramsay, B., & Macfarlane, R. (2018). Method for identification of digital content. World Intellectual Property Organization

Many areas oi investigation require searching through data that may be oi interest. One example oi data that may be involved in an investigation is copyrighted material that may be suspected of having been obtained or reproduced illegally by a third... Read More about Method for identification of digital content.

Correlation Power Analysis on the PRESENT Block Cipher on an Embedded Device (2018)
Presentation / Conference Contribution
Lo, O., Buchanan, W. J., & Carson, D. (2018, August). Correlation Power Analysis on the PRESENT Block Cipher on an Embedded Device. Presented at ACM Proceedings of the 13th International Conference on Availability, Reliability and Security, Hamburg, Germany

Traditional cryptographic techniques have proven to work well on most modern computing devices but they are unsuitable for devices (e.g. IoT devices) where memory, power consumption or processing power is limited. Thus, there has been an increasing a... Read More about Correlation Power Analysis on the PRESENT Block Cipher on an Embedded Device.

Applications of Blockchain Within Healthcare. (2018)
Journal Article
Bell, L., Buchanan, W. J., Cameron, J., & Lo, O. (2018). Applications of Blockchain Within Healthcare. Blockchain in Healthcare Today,

There are several areas of healthcare and well-being that could be enhanced using blockchain technologies. These include device tracking, clinical trials, pharmaceutical tracing, and health insurance. Within device tracking, hospitals can trace their... Read More about Applications of Blockchain Within Healthcare..

Distance Measurement Methods for Improved Insider Threat Detection (2018)
Journal Article
Lo, O., Buchanan, W. J., Griffiths, P., & Macfarlane, R. (2018). Distance Measurement Methods for Improved Insider Threat Detection. Security and Communication Networks, 2018, 1-18. https://doi.org/10.1155/2018/5906368

Insider threats are a considerable problem within cyber security and it is often difficult to detect these threats using signature detection. Increasing machine learning can provide a solution, but these methods often fail to take into account change... Read More about Distance Measurement Methods for Improved Insider Threat Detection.

Power analysis attacks on the AES-128 S-box using differential power analysis (DPA) and correlation power analysis (CPA) (2016)
Journal Article
Lo, O., Buchanan, W. J., & Carson, D. (2016). Power analysis attacks on the AES-128 S-box using differential power analysis (DPA) and correlation power analysis (CPA). Journal of Cyber Security Technology, 1(2), 88-107. https://doi.org/10.1080/23742917.2016.1231523

This article demonstrates two fundamental techniques of power analysis, differential power analysis (DPA) and correlation power analysis (CPA), against a modern piece of hardware which is widely available to the public: the Arduino Uno microcontrolle... Read More about Power analysis attacks on the AES-128 S-box using differential power analysis (DPA) and correlation power analysis (CPA).

Secret shares to protect health records in Cloud-based infrastructures (2016)
Presentation / Conference Contribution
Buchanan, W. J., Ukwandu, E., van Deursen, N., Fan, L., Russell, G., Lo, O., & Thuemmler, C. (2015, October). Secret shares to protect health records in Cloud-based infrastructures. Presented at BCS Health Informatics 2015

Increasingly health records are stored in cloud-based systems, and often protected by a private key. Unfortunately the loss of this key can cause large-scale data loss. This paper outlines a novel Cloud-based architecture (SECRET) which supports keyl... Read More about Secret shares to protect health records in Cloud-based infrastructures.

RESCUE: Resilient Secret Sharing Cloud-based Architecture. (2015)
Presentation / Conference Contribution
Ukwandu, E., Buchanan, W. J., Fan, L., Russell, G., & Lo, O. (2015, August). RESCUE: Resilient Secret Sharing Cloud-based Architecture. Presented at TrustCom 2015 The 14th IEEE International Conference on Trust, Security and Privacy in Computing and Communications

This paper presents an architecture (RESCUE) of a system that is capable of implementing: a keyless encryption method; self-destruction of data within a time frame without user’s intervention; and break-glass data recovery, with in-built failover pro... Read More about RESCUE: Resilient Secret Sharing Cloud-based Architecture..

The future internet: a world of secret shares (2015)
Journal Article
Buchanan, W. J., Lanc, D., Ukwandu, E., Fan, L., Russell, G., & Lo, O. (2015). The future internet: a world of secret shares. Future Internet, 7(4), 445-464. https://doi.org/10.3390/fi7040445

The PKI infrastructure is crumbling, especially due to the lack of a strong understanding of how encryption actually works, and in threats around its implementation. This paper outlines an Internet storage using secret sharing methods, and which coul... Read More about The future internet: a world of secret shares.