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Outputs (408)

Behaviour reflects personality: detecting co-residence attacks on Xen-based cloud environments (2014)
Journal Article
Pitropakis, N., Pikrakis, A., & Lambrinoudakis, C. (2015). Behaviour reflects personality: detecting co-residence attacks on Xen-based cloud environments. International Journal of Information Security, 14(4), 299-305. https://doi.org/10.1007/s10207-014-0255-8

Cloud computing is gradually becoming the most popular option of Information Technology infrastructures. However, an important issue that has emerged through that revolution is the preservation of an adequate level of security for the infrastructure... Read More about Behaviour reflects personality: detecting co-residence attacks on Xen-based cloud environments.

Cloud Security, Privacy, and Trust Baselines (2016)
Book Chapter
Pitropakis, N., Katsikas, S., & Lambrinoudakis, C. (2016). Cloud Security, Privacy, and Trust Baselines. In Cloud Computing Security Foundations and Challenges. Boca Raton: CRC Press

According to ISO 27001, a threat is a potential event. When a threat turns into an actual event, it may cause an undesirable incident. It is undesirable because the incident may harm an organization or a system, causing a security incident and/or t... Read More about Cloud Security, Privacy, and Trust Baselines.

It's All in the Cloud: Reviewing Cloud Security (2014)
Presentation / Conference Contribution
Pitropakis, N., Darra, E., Vrakas, N., & Lambrinoudakis, C. (2013, December). It's All in the Cloud: Reviewing Cloud Security. Presented at 2013 IEEE 10th International Conference on Ubiquitous Intelligence & Computing and 2013 IEEE 10th International Conference on Autonomic & Trusted Computing (UIC/ATC), Vietri sul Mere, Italy

Cloud computing is gradually replacing traditional IT infrastructures. However, an important issue that has emerged through that revolution is the preservation of an adequate level of security for the infrastructure. Currently there are many research... Read More about It's All in the Cloud: Reviewing Cloud Security.

Till All Are One: Towards a Unified Cloud IDS (2015)
Presentation / Conference Contribution
Pitropakis, N., Lambrinoudakis, C., & Geneiatakis, D. (2015, September). Till All Are One: Towards a Unified Cloud IDS. Presented at International Conference on Trust and Privacy in Digital Business TrustBus 2015: Trust, Privacy and Security in Digital Busines, Valencia, Spain

Recently there is a trend to use cloud computing on service deployment, enjoying various advantages that it offers with emphasis on the economy which is achieved in the era of the financial crisis. However, along with the transformation of technology... Read More about Till All Are One: Towards a Unified Cloud IDS.

Towards an augmented authenticator in the Cloud (2015)
Presentation / Conference Contribution
Pitropakis, N., Yfantopoulos, N., Geneiatakis, D., & Lambrinoudakis, C. (2014, December). Towards an augmented authenticator in the Cloud. Presented at 2014 IEEE International Symposium on Signal Processing and Information Technology (ISSPIT), Noida, India

Many times in the past, critical infrastructures like e-health and e-government services have become a target of cyber-attacks resulting to manipulation of sensitive information. Meanwhile, there are several approaches applying security and privacy p... Read More about Towards an augmented authenticator in the Cloud.

The Greater The Power, The More Dangerous The Abuse: Facing Malicious Insiders in The Cloud (2017)
Presentation / Conference Contribution
Pitropakis, N., Lyvas, C., & Lambrinoudakis, C. (2017, February). The Greater The Power, The More Dangerous The Abuse: Facing Malicious Insiders in The Cloud. Presented at The Eighth International Conference on Cloud Computing, GRIDs, and Virtualization, Athens, Greece

The financial crisis made companies around the world search for cheaper and more efficient solutions to cover their needs in terms of computational power and storage. Their quest came to end with the birth of Cloud Computing infrastructures. However,... Read More about The Greater The Power, The More Dangerous The Abuse: Facing Malicious Insiders in The Cloud.

A Practical Steganographic Approach for Matroska Based High Quality Video Files (2013)
Presentation / Conference Contribution
Pitropakis, N., Lambrinoudakis, C., Geneiatakis, D., & Gritzalis, D. (2013, March). A Practical Steganographic Approach for Matroska Based High Quality Video Files. Presented at 2013 Workshops of 27th International Conference on Advanced Information Networking and Applications (WAINA), Barcelona, Spain

Several steganographic algorithms have been proposed for protecting message secrecy against unauthorized "reads". The most used method for hiding a message relies on embedding the secret message in Least Significant Bit (LSB) on the cover object. Tho... Read More about A Practical Steganographic Approach for Matroska Based High Quality Video Files.

Towards a Security Enabled and SOA-based QoS (for the Smart Grid) Architecture (2018)
Journal Article
Chrysoulas, C., & Pitropakis, N. (2018). Towards a Security Enabled and SOA-based QoS (for the Smart Grid) Architecture. EAI Endorsed Transactions on Industrial Networks and Intelligent Systems, 4(12), 153551. https://doi.org/10.4108/eai.10-1-2018.153551

QoS and Security features are playing an important role in modern network architecures. Dynamic selection of services and by extension of service providers are vital in today’s liberalized market of energy. On the other hand it is equally important f... Read More about Towards a Security Enabled and SOA-based QoS (for the Smart Grid) Architecture.

The Far Side of Mobile Application Integrated Development Environments (2016)
Presentation / Conference Contribution
Lyvas, C., Pitropakis, N., & Lambrinoudakis, C. (2016, September). The Far Side of Mobile Application Integrated Development Environments. Presented at International Conference on Trust and Privacy in Digital Business TrustBus 2016: Trust, Privacy and Security in Digital Business, Porto, Portugal

Smart phones are, nowadays, a necessity for the vast majority of individuals around the globe. In addition to the ubiquitous computing paradigm supported by such devices, there are numerous software applications that utilize the high computational ca... Read More about The Far Side of Mobile Application Integrated Development Environments.

2-Dimensional Outline Shape Representation for Generative Design with Evolutionary Algorithms (2018)
Presentation / Conference Contribution
Lapok, P., Lawson, A., & Paechter, B. (2018, September). 2-Dimensional Outline Shape Representation for Generative Design with Evolutionary Algorithms. Presented at EngOpt 2018 International Conference on Engineering Optimization, Lisboa, Portugal

In this paper, we investigate the ability of genetic representation methods to describe two-dimensional outline shapes, in order to use them in a generative design system. A specific area of mechanical design focuses on planar mechanisms. These are a... Read More about 2-Dimensional Outline Shape Representation for Generative Design with Evolutionary Algorithms.

A caching and spatial K-anonymity driven privacy enhancement scheme in continuous location-based services (2018)
Journal Article
Zhang, S., Li, X., Tan, Z., Peng, T., & Wang, G. (2019). A caching and spatial K-anonymity driven privacy enhancement scheme in continuous location-based services. Future Generation Computer Systems, 94, 40-50. https://doi.org/10.1016/j.future.2018.10.053

With the rapid pervasion of location-based services (LBSs), protection of location privacy has become a significant concern. In most continuous LBSs' privacy-preserving solutions, users need to transmit the location query data to an untrusted locatio... Read More about A caching and spatial K-anonymity driven privacy enhancement scheme in continuous location-based services.

Predicting Malicious Insider Threat Scenarios Using Organizational Data and a Heterogeneous Stack-Classifier (2019)
Presentation / Conference Contribution
Hall, A. J., Pitropakis, N., Buchanan, W. J., & Moradpoor, N. (2018, December). Predicting Malicious Insider Threat Scenarios Using Organizational Data and a Heterogeneous Stack-Classifier. Presented at International Workshop on Big Data Analytics for Cyber Threat Hunting, Seattle, WA, USA

Insider threats continue to present a major challenge for the information security community. Despite constant research taking place in this area; a substantial gap still exists between the requirements of this community and the solutions that are cu... Read More about Predicting Malicious Insider Threat Scenarios Using Organizational Data and a Heterogeneous Stack-Classifier.

The Challenges of Investigating Cryptocurrencies and Blockchain Related Crime (2018)
Journal Article
Dyson, S., Buchanan, W., & Bell, L. (2018). The Challenges of Investigating Cryptocurrencies and Blockchain Related Crime. The Journal of the British Blockchain Association, 1(2), 1-6. https://doi.org/10.31585/jbba-1-2-%288%292018

We increasingly live in a world where there is a balance between the rights to privacy and the requirements for consent, and the rights of society to protect itself. Within this world, there is an ever-increasing requirement to protect the identities... Read More about The Challenges of Investigating Cryptocurrencies and Blockchain Related Crime.

Copy-move forgery detection using combined features and transitive matching (2018)
Journal Article
Lin, C., Lu, W., Huang, X., Liu, K., Sun, W., Lin, H., & Tan, Z. (2019). Copy-move forgery detection using combined features and transitive matching. Multimedia Tools and Applications, 78(21), 30081-30096. https://doi.org/10.1007/s11042-018-6922-4

Recently, the research of Internet of Things (IoT) and Multimedia Big Data (MBD) has been growing tremendously. Both IoT and MBD have a lot of multimedia data, which can be tampered easily. Therefore, the research of multimedia forensics is necessary... Read More about Copy-move forgery detection using combined features and transitive matching.

Design of Multi-View Based Email Classification for IoT Systems via Semi-Supervised Learning (2018)
Journal Article
Li, W., Meng, W., Tan, Z., & Xiang, Y. (2019). Design of Multi-View Based Email Classification for IoT Systems via Semi-Supervised Learning. Journal of Network and Computer Applications, 128, 56-63. https://doi.org/10.1016/j.jnca.2018.12.002

Suspicious emails are one big threat for Internet of Things (IoT) security, which aim to induce users to click and then redirect them to a phishing webpage. To protect IoT systems, email classification is an essential mechanism to classify spam and l... Read More about Design of Multi-View Based Email Classification for IoT Systems via Semi-Supervised Learning.

Mitigating Disaster using Secure Threshold-Cloud Architecture (2018)
Presentation / Conference Contribution
Ukwandu, E., Buchanan, W. J., & Russell, G. (2018). Mitigating Disaster using Secure Threshold-Cloud Architecture. Current Trends in Computer Sciences & Applications, 1(2),

There are many risks in moving data into public cloud environments, along with an increasing threat around large-scale data leakage during cloud outages. This work aims to apply secret sharing methods as used in cryptography to create shares of crypt... Read More about Mitigating Disaster using Secure Threshold-Cloud Architecture.

Cryptography (2017)
Book
Buchanan, B. (2017). Cryptography. River Publishers

Cryptography has proven to be one of the most contentious areas in modern society. For some it protects the rights of individuals to privacy and security, while for others it puts up barriers against the protection of our society. This book aims to d... Read More about Cryptography.

GDPR and Cyber Security for Business Information Systems (2018)
Book
Gobeo, A., Fowler, C., & Buchanan, B. (2018). GDPR and Cyber Security for Business Information Systems. River Publishers

The General Data Protection Regulation is the latest, and one of the most stringent, regulations regarding Data Protection to be passed into law by the European Union. Fundamentally, it aims to protect the Rights and Freedoms of all the individuals i... Read More about GDPR and Cyber Security for Business Information Systems.

Impact of cyberattacks on stock performance: a comparative study (2018)
Journal Article
Tweneboah-Kodua, S., Atsu, F., & Buchanan, W. (2018). Impact of cyberattacks on stock performance: a comparative study. Information and Computer Security, 26(5), 637-652. https://doi.org/10.1108/ics-05-2018-0060

The study uses cyberattacks announcements on 96 firms that are listed on S&P 500 over the period January 03, 2013 and December 29, 2017. The empirical analysis was performed in two ways: cross-section and industry level. We employ statistical tests... Read More about Impact of cyberattacks on stock performance: a comparative study.