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All Outputs (52)

Hiding in Plain Sight: A Longitudinal Study of Combosquatting Abuse (2017)
Presentation / Conference Contribution
Kintis, P., Miramirkhani, N., Lever, C., Chen, Y., Romero-Gómez, R., Pitropakis, N., Nikiforakis, N., & Antonakakis, M. (2017, October). Hiding in Plain Sight: A Longitudinal Study of Combosquatting Abuse. Presented at 2017 ACM SIGSAC Conference on Computer and Communications Security, Dallas, Texas, USA

Domain squatting is a common adversarial practice where attackers register domain names that are purposefully similar to popular domains. In this work, we study a specific type of domain squatting called "combosquatting," in which attackers register... Read More about Hiding in Plain Sight: A Longitudinal Study of Combosquatting Abuse.

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.

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.

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.

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.

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.

If you want to know about a hunter, study his prey: detection of network based attacks on KVM based cloud environments (2014)
Journal Article
Pitropakis, N., Anastasopoulou, D., Pikrakis, A., & Lambrinoudakis, C. (2014). If you want to know about a hunter, study his prey: detection of network based attacks on KVM based cloud environments. Journal of cloud computing: advances, systems and applications, 3(1), https://doi.org/10.1186/s13677-014-0020-6

Computational systems are gradually moving towards Cloud Computing Infrastructures, using the several advantages they have to offer and especially the economic advantages in the era of an economic crisis. In addition to this revolution, several secur... Read More about If you want to know about a hunter, study his prey: detection of network based attacks on KVM based cloud environments.

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.

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.

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.

Evaluating Tooling and Methodology when Analysing Bitcoin Mixing Services After Forensic Seizure
Presentation / Conference Contribution
Young, E. H., Chrysoulas, C., Pitropakis, N., Papadopoulos, P., & Buchanan, W. J. (2021, October). Evaluating Tooling and Methodology when Analysing Bitcoin Mixing Services After Forensic Seizure. Paper presented at International Conference on Data Analytics for Business and Industry (ICDABI) 2021 - (DATA'21), Online

Little or no research has been directed to analysis and researching forensic analysis of the Bitcoin mixing or 'tumbling' service themselves. This work is intended to examine effective tooling and methodology for recovering forensic artifacts from tw... Read More about Evaluating Tooling and Methodology when Analysing Bitcoin Mixing Services After Forensic Seizure.