Nikolaos Pitropakis

Publication Activity (10 Years)

Years Active: 2013-2024
Publications (10 Years): 75

Top Topics

Intrusion Detection

Investment Decisions

Encryption Algorithms

Top Venues

Publications

Vasileios Stamatis, Panagiotis I. Radoglou-Grammatikis, Antonios Sarigiannidis, Nikolaos Pitropakis, Thomas Lagkas, Vasileios Argyriou, Evangelos K. Markakis, Panagiotis G. Sarigiannidis
Advancements in Federated Learning for Health Applications: A Concise Survey. DCOSS-IoT (2024)
Marius Elmiger, Mouad Lemoudden, Nikolaos Pitropakis, William J. Buchanan
Start thinking in graphs: using graphs to address critical attack paths in a Microsoft cloud tenant. Int. J. Inf. Sec. 23 (1) (2024)
Muhammad Shahbaz Khan, Jawad Ahmad, Ahmed Al-Dubai, Baraq Ghaleb, Nikolaos Pitropakis, William J. Buchanan
RNA-TransCrypt: Image Encryption Using Chaotic RNA Encoding, Novel Transformative Substitution, and Tailored Cryptographic Operations. CoRR (2024)
Dimitrios Kasimatis, Sam Grierson, William J. Buchanan, Chris Eckl, Pavlos Papadopoulos, Nikolaos Pitropakis, Craig Thomson, Baraq Ghaleb
DID: RING: Ring Signatures using Decentralised Identifiers For Privacy-Aware Identity. CoRR (2024)
Dávid Gábor Uzonyi, Nikolaos Pitropakis, Sean McKeown, Ilias Politis
OPSEC VS Leaked Credentials: Password reuse in Large-Scale Data Leaks. CAMAD (2023)
Sarwar Sayeed, Nikolaos Pitropakis, William J. Buchanan, Evangelos K. Markakis, Dimitra Papatsaroucha, Ilias Politis
TRUSTEE: Towards the creation of secure, trustworthy and privacy-preserving framework. ARES (2023)
Chathuranga Sampath Kalutharage, Xiaodong Liu, Christos Chrysoulas, Nikolaos Pitropakis, Pavlos Papadopoulos
Explainable AI-Based DDOS Attack Identification Method for IoT Networks. Comput. 12 (2) (2023)
Abishek Manikandaraja, Peter Aaby, Nikolaos Pitropakis
Rapidrift: Elementary Techniques to Improve Machine Learning-Based Malware Detection. Comput. 12 (10) (2023)
Hassan Ali, Muhammad Shahbaz Khan, Maha Driss, Jawad Ahmad, William J. Buchanan, Nikolaos Pitropakis
CellSecure: Securing Image Data in Industrial Internet-of-Things via Cellular Automata and Chaos-Based Encryption. VTC Fall (2023)
Pavlos Papadopoulos, William J. Buchanan, Sarwar Sayeed, Nikolaos Pitropakis
Towards The Creation Of The Future Fish Farm. CoRR (2023)
Hassan Ali, Muhammad Shahbaz Khan, Maha Driss, Jawad Ahmad, William J. Buchanan, Nikolaos Pitropakis
CellSecure: Securing Image Data in Industrial Internet-of-Things via Cellular Automata and Chaos-Based Encryption. CoRR (2023)
Muhammad Shahbaz Khan, Jawad Ahmad, Ahmed Al-Dubai, Zakwan Jaroucheh, Nikolaos Pitropakis, William J. Buchanan
PermutEx: Feature-Extraction-Based Permutation - A New Diffusion Scheme for Image Encryption Algorithms. CAMAD (2023)
Stuart Laing, Robert Ludwiniak, Brahim El Boudani, Christos Chrysoulas, George Ubakanma, Nikolaos Pitropakis
Forensic Investigation Using RAM Analysis on the Hadoop Distributed File System. DRCN (2023)
Joseph Haddad, Nikolaos Pitropakis, Christos Chrysoulas, Mouad Lemoudden, William J. Buchanan
Attacking Windows Hello for Business: Is It What We Were Promised? Cryptogr. 7 (1) (2023)
Ben Hasselgren, Christos Chrysoulas, Nikolaos Pitropakis, William J. Buchanan
Using Social Media & Sentiment Analysis to Make Investment Decisions. Future Internet 15 (1) (2023)
Muhammad Shahbaz Khan, Jawad Ahmad, Ahmed Al-Dubai, Zakwan Jaroucheh, Nikolaos Pitropakis, William J. Buchanan
PermutEx: Feature-Extraction-Based Permutation - A New Diffusion Scheme for Image Encryption Algorithms. CoRR (2023)
Muhammad Shahbaz Khan, Jawad Ahmad, Hisham Ali, Nikolaos Pitropakis, Ahmed Al-Dubai, Baraq Ghaleb, William J. Buchanan
SRSS: A New Chaos-Based Single-Round Single S-Box Image Encryption Scheme for Highly Auto-Correlated Data. CoRR (2023)
Sameer Ali, Saw Chin Tan, Ching Kwang Lee, Zulfadzli Yusoff, Muhammad Reazul Haque, Alexios Mylonas, Nikolaos Pitropakis
AALLA: Attack-Aware Logical Link Assignment Cost-Minimization Model for Protecting Software-Defined Networks against DDoS Attacks. Sensors 23 (21) (2023)
Sahar Badri, Sana Ullah Jan, Daniyal M. Alghazzawi, Sahar Aldhaheri, Nikolaos Pitropakis
BIoMT: A Blockchain-Enabled Healthcare Architecture for Information Security in the Internet of Medical Things. Comput. Syst. Sci. Eng. 46 (3) (2023)
Grant McDonald, Pavlos Papadopoulos, Nikolaos Pitropakis, Jawad Ahmad, William J. Buchanan
Ransomware: Analysing the Impact on Windows Active Directory Domain Services. CoRR (2022)
Hisham Ali, Jawad Ahmad, Zakwan Jaroucheh, Pavlos Papadopoulos, Nikolaos Pitropakis, Owen Lo, Will Abramson, William J. Buchanan
Trusted Threat Intelligence Sharing in Practice and Performance Benchmarking through the Hyperledger Fabric Platform. Entropy 24 (10) (2022)
Jawad Ahmad, Syed Aziz Shah, Shahid Latif, Fawad Ahmed, Zhuo Zou, Nikolaos Pitropakis
DRaNN_PSO: A deep random neural network with particle swarm optimization for intrusion detection in the industrial internet of things. J. King Saud Univ. Comput. Inf. Sci. 34 (Issue) (2022)
Safi Ullah, Jawad Ahmad, Muazzam Ali Khan, Eman H. Alkhammash, Myriam Hadjouni, Yazeed Ghadi, Faisal Saeed, Nikolaos Pitropakis
A New Intrusion Detection System for the Internet of Things via Deep Convolutional Neural Network and Feature Engineering. Sensors 22 (10) (2022)
Michael Gallagher, Nikolaos Pitropakis, Christos Chrysoulas, Pavlos Papadopoulos, Alexios Mylonas, Sokratis K. Katsikas
Investigating machine learning attacks on financial time series models. Comput. Secur. 123 (2022)
Jon Barton, William J. Buchanan, Nikolaos Pitropakis, Sarwar Sayeed, Will Abramson
Post Quantum Cryptography Analysis of TLS Tunneling on a Constrained Device. ICISSP (2022)
Owen Lo, William J. Buchanan, Sarwar Sayeed, Pavlos Papadopoulos, Nikolaos Pitropakis, Christos Chrysoulas
GLASS: A Citizen-Centric Distributed Data-Sharing Model within an e-Governance Architecture. Sensors 22 (6) (2022)
Owen Lo, William J. Buchanan, Sarwar Sayeed, Pavlos Papadopoulos, Nikolaos Pitropakis, Christos Chrysoulas
GLASS: A Citizen-Centric Distributed Data-Sharing Model within an e-Governance Architecture. CoRR (2022)
William J. Buchanan, Mwrwan Abubakar, Owen Lo, Christos Chrysoulas, Nikolaos Pitropakis, Pavlos Papadopoulos, Sarwar Sayeed, Marc Sel
The Future of Integrated Digital Governance in the EU: EBSI and GLASS. CoRR (2022)
Safi Ullah, Muazzam Ali Khan, Jawad Ahmad, Sajjad Shaukat Jamal, Zil E. Huma, Muhammad Tahir Hassan, Nikolaos Pitropakis, Arshad, William J. Buchanan
HDL-IDS: A Hybrid Deep Learning Architecture for Intrusion Detection in the Internet of Vehicles. Sensors 22 (4) (2022)
Adel R. Alharbi, Jawad Ahmad, Arshad, Sajjad Shaukat Jamal, Fawad Masood, Yazeed Yasin Ghadi, Nikolaos Pitropakis, William J. Buchanan
A New Multistage Encryption Scheme Using Linear Feedback Register and Chaos-Based Quantum Map. Complex. 2022 (2022)
Grant McDonald, Pavlos Papadopoulos, Nikolaos Pitropakis, Jawad Ahmad, William J. Buchanan
Ransomware: Analysing the Impact on Windows Active Directory Domain Services. Sensors 22 (3) (2022)
Nikolaos Pitropakis, Christos Lyvas, Costas Lambrinoudakis
The Greater The Power, The More Dangerous The Abuse: Facing Malicious Insiders in The Cloud. CoRR (2022)
William Abramson, William J. Buchanan, Sarwar Sayeed, Nikolaos Pitropakis, Owen Lo
PAN-DOMAIN: Privacy-preserving Sharing and Auditing of Infection Identifier Matching. CoRR (2021)
Christos Chrysoulas, Amanda Thomson, Nikolaos Pitropakis, Pavlos Papadopoulos, Owen Lo, William J. Buchanan, George Domalis, Nikos I. Karacapilidis, Dimitris Tsakalidis, Dimitrios Tsolis
GLASS: Towards Secure and Decentralized eGovernance Services using IPFS. CoRR (2021)
Pavlos Papadopoulos, Will Abramson, Adam J. Hall, Nikolaos Pitropakis, William J. Buchanan
Privacy and Trust Redefined in Federated Machine Learning. Mach. Learn. Knowl. Extr. 3 (2) (2021)
Robert Sutton, Robert Ludwiniak, Nikolaos Pitropakis, Christos Chrysoulas, Tasos Dagiuklas
Towards An SDN Assisted IDS. NTMS (2021)
Edward Henry Young, Christos Chrysoulas, Nikolaos Pitropakis, Pavlos Papadopoulos, William J. Buchanan
Evaluating Tooling and Methodology when Analysing Bitcoin Mixing Services After Forensic Seizure. CoRR (2021)
Hisham Ali, Pavlos Papadopoulos, Jawad Ahmad, Nikolaos Pitropakis, Zakwan Jaroucheh, William J. Buchanan
Privacy-preserving and Trusted Threat Intelligence Sharing using Distributed Ledgers. CoRR (2021)
Kris Hughes, Pavlos Papadopoulos, Nikolaos Pitropakis, Adrian Smales, Jawad Ahmad, William J. Buchanan
Browsers' Private Mode: Is It What We Were Promised? Comput. 10 (12) (2021)
Hisham Ali, Pavlos Papadopoulos, Jawad Ahmad, Nikolaos Pitropakis, Zakwan Jaroucheh, William J. Buchanan
Privacy-preserving and Trusted Threat Intelligence Sharing using Distributed Ledgers. SIN (2021)
Will Abramson, William J. Buchanan, Sarwar Sayeed, Nikolaos Pitropakis, Owen Lo
PAN-DOMAIN: Privacy-preserving Sharing and Auditing of Infection Identifier Matching. SIN (2021)
Pavlos Papadopoulos, Will Abramson, Adam J. Hall, Nikolaos Pitropakis, William J. Buchanan
Privacy and Trust Redefined in Federated Machine Learning. CoRR (2021)
Pavlos Papadopoulos, Oliver Thornewill von Essen, Nikolaos Pitropakis, Christos Chrysoulas, Alexios Mylonas, William J. Buchanan
Launching Adversarial Attacks against Network Intrusion Detection Systems for IoT. CoRR (2021)
Muhammad Almas Khan, Muazzam Ali Khan, Sana Ullah Jan, Jawad Ahmad, Sajjad Shaukat Jamal, Awais Aziz Shah, Nikolaos Pitropakis, William J. Buchanan
A Deep Learning-Based Intrusion Detection System for MQTT Enabled IoT. Sensors 21 (21) (2021)
Christos Chrysoulas, Amanda Thomson, Nikolaos Pitropakis, Pavlos Papadopoulos, Owen Lo, William J. Buchanan, George Domalis, Nikos I. Karacapilidis, Dimitris Tsakalidis, Dimitrios Tsolis
GLASS: Towards Secure and Decentralized eGovernance Services Using IPFS. CyberICPS/SECPRE/ADIoT/SPOSE/CPS4CIP/CDT&SECOMANE@ESORICS (2021)
Andrei Butnaru, Alexios Mylonas, Nikolaos Pitropakis
Towards Lightweight URL-Based Phishing Detection. Future Internet 13 (6) (2021)
Will Abramson, Pavlos Papadopoulos, Nikolaos Pitropakis, William J. Buchanan
PyDentity: A playground for education and experimentation with the Hyperledger verifiable information exchange platform. Softw. Impacts 9 (2021)
Bruno Marchand, Nikolaos Pitropakis, William J. Buchanan, Costas Lambrinoudakis
Launching Adversarial Label Contamination Attacks Against Malicious URL Detection. TrustBus (2021)
Christopher Kelly, Nikolaos Pitropakis, Alexios Mylonas, Sean McKeown, William J. Buchanan
A Comparative Analysis of Honeypots on Different Cloud Platforms. Sensors 21 (7) (2021)
Pavlos Papadopoulos, Oliver Thornewill von Essen, Nikolaos Pitropakis, Christos Chrysoulas, Alexios Mylonas, William J. Buchanan
Launching Adversarial Attacks against Network Intrusion Detection Systems for IoT. J. Cybersecur. Priv. 1 (2) (2021)
Christopher Kelly, Nikolaos Pitropakis, Sean McKeown, Costas Lambrinoudakis
Testing And Hardening IoT Devices Against the Mirai Botnet. CoRR (2020)
Charalampos S. Stamatellis, Pavlos Papadopoulos, Nikolaos Pitropakis, Sokratis K. Katsikas, William J. Buchanan
A Privacy-Preserving Healthcare Framework Using Hyperledger Fabric. Sensors 20 (22) (2020)
Orestis Christou, Nikolaos Pitropakis, Pavlos Papadopoulos, Sean McKeown, William J. Buchanan
Phishing URL Detection Through Top-level Domain Analysis: A Descriptive Approach. CoRR (2020)
Charalampos S. Stamatellis, Pavlos Papadopoulos, Nikolaos Pitropakis, Sokratis K. Katsikas, William J. Buchanan
A Privacy-Preserving Healthcare Framework Using Hyperledger Fabric. CoRR (2020)
Christopher Kelly, Nikolaos Pitropakis, Sean McKeown, Costas Lambrinoudakis
Testing And Hardening IoT Devices Against the Mirai Botnet. Cyber Security (2020)
Will Abramson, Adam James Hall, Pavlos Papadopoulos, Nikolaos Pitropakis, William J. Buchanan
A Distributed Trust Framework for Privacy-Preserving Machine Learning. TrustBus (2020)
Lisa Muller, Christos Chrysoulas, Nikolaos Pitropakis, Peter J. Barclay
A Traffic Analysis on Serverless Computing Based on the Example of a File Upload Stream on AWS Lambda. Big Data Cogn. Comput. 4 (4) (2020)
Bridget Khursheed, Nikolaos Pitropakis, Sean McKeown, Costas Lambrinoudakis
Microtargeting or Microphishing? Phishing Unveiled. TrustBus (2020)
Nikolaos Pitropakis, Kamil Kokot, Dimitra Gkatzia, Robert Ludwiniak, Alexios Mylonas, Miltiadis Kandias
Monitoring Users' Behavior: Anti-Immigration Speech Detection on Twitter. Mach. Learn. Knowl. Extr. 2 (3) (2020)
Will Abramson, Adam James Hall, Pavlos Papadopoulos, Nikolaos Pitropakis, William J. Buchanan
A Distributed Trust Framework for Privacy-Preserving Machine Learning. CoRR (2020)
William Bowditch, Will Abramson, William J. Buchanan, Nikolaos Pitropakis, Adam J. Hall
Privacy-preserving Surveillance Methods using Homomorphic Encryption. ICISSP (2020)
William J. Buchanan, Muhammad Ali Imran, Masood Ur Rehman, Lei Zhang, Qammer H. Abbasi, Christos Chrysoulas, David Haynes, Nikolaos Pitropakis, Pavlos Papadopoulos
Review and Critical Analysis of Privacy-preserving Infection Tracking and Contact Tracing. CoRR (2020)
Orestis Christou, Nikolaos Pitropakis, Pavlos Papadopoulos, Sean McKeown, William J. Buchanan
Phishing URL Detection Through Top-level Domain Analysis: A Descriptive Approach. ICISSP (2020)
Pavlos Papadopoulos, Nikolaos Pitropakis, William J. Buchanan, Owen Lo, Sokratis K. Katsikas
Privacy-Preserving Passive DNS. Comput. 9 (3) (2020)
Pavlos Papadopoulos, Nikolaos Pitropakis, William J. Buchanan, Owen Lo, Sokratis K. Katsikas
Privacy Preserving Passive DNS. CoRR (2020)
Adam James Hall, Nikolaos Pitropakis, William J. Buchanan, Naghmeh Moradpoor
Predicting Malicious Insider Threat Scenarios Using Organizational Data and a Heterogeneous Stack-Classifier. CoRR (2019)
Nikolaos Pitropakis, Emmanouil Panaousis, Thanassis Giannetsos, Eleftherios Anastasiadis, George Loukas
A taxonomy and survey of attacks against machine learning. Comput. Sci. Rev. 34 (2019)
Nikolaos Pitropakis, Marios Logothetis, Gennady L. Andrienko, Jason Stefanatos, Eirini Karapistoli, Costas Lambrinoudakis
Towards the Creation of a Threat Intelligence Framework for Maritime Infrastructures. CyberICPS/SECPRE/SPOSE/ADIoT@ESORICS (2019)
Jon Barton, William J. Buchanan, Will Abramson, Nikolaos Pitropakis
Performance Analysis of TLS for Quantum Robust Cryptography on a Constrained Device. CoRR (2019)
Nikolaos Pitropakis, Emmanouil Panaousis, Alkiviadis Giannakoulias, George Kalpakis, Rodrigo Diaz Rodriguez, Panayiotis Sarigiannidis
An Enhanced Cyber Attack Attribution Framework. TrustBus (2018)
Christos Chrysoulas, Nikolaos Pitropakis
Towards a Security Enabled and SOA-based QoS (for the Smart Grid) Architecture. EAI Endorsed Trans. Ind. Networks Intell. Syst. 4 (12) (2018)
Adam James Hall, Nikolaos Pitropakis, William J. Buchanan, Naghmeh Moradpoor
Predicting Malicious Insider Threat Scenarios Using Organizational Data and a Heterogeneous Stack-Classifier. IEEE BigData (2018)
Panagiotis Kintis, Najmeh Miramirkhani, Charles Lever, Yizheng Chen, Rosa Romero Gómez, Nikolaos Pitropakis, Nick Nikiforakis, Manos Antonakakis
Hiding in Plain Sight: A Longitudinal Study of Combosquatting Abuse. CoRR (2017)
Panagiotis Kintis, Najmeh Miramirkhani, Charles Lever, Yizheng Chen, Rosa Romero Gómez, Nikolaos Pitropakis, Nick Nikiforakis, Manos Antonakakis
Hiding in Plain Sight: A Longitudinal Study of Combosquatting Abuse. CCS (2017)
Christos Lyvas, Nikolaos Pitropakis, Costas Lambrinoudakis
The Far Side of Mobile Application Integrated Development Environments. TrustBus (2016)
Nikolaos Pitropakis, Costas Lambrinoudakis, Dimitris Geneiatakis
Till All Are One: Towards a Unified Cloud IDS. TrustBus (2015)
Nikolaos Pitropakis, Aggelos Pikrakis, Costas Lambrinoudakis
Behaviour reflects personality: detecting co-residence attacks on Xen-based cloud environments. Int. J. Inf. Sec. 14 (4) (2015)
Nikolaos Pitropakis, Dimitra Anastasopoulou, Aggelos Pikrakis, Costas Lambrinoudakis
If you want to know about a hunter, study his prey: detection of network based attacks on KVM based cloud environments. J. Cloud Comput. 3 (2014)
Nikolaos Pitropakis, Nikolaos Yfantopoulos, Dimitris Geneiatakis, Costas Lambrinoudakis
Towards an augmented authenticator in the Cloud. ISSPIT (2014)
Nikolaos Pitropakis, Costas Lambrinoudakis, Dimitris Geneiatakis, Dimitris Gritzalis
A Practical Steganographic Approach for Matroska Based High Quality Video Files. AINA Workshops (2013)
Nikolaos Pitropakis, Eleni Darra, Nikos Vrakas, Costas Lambrinoudakis
It's All in the Cloud: Reviewing Cloud Security. UIC/ATC (2013)