Ioannis Agrafiotis

Most-cited papers

A taxonomy of cyber-harms: Defining the impacts of cyber-attacks and understanding how they propagate
Ioannis Agrafiotis, Jason R. C. Nurse, M. Goldsmith, S. Creese +1 more
2018Journal of Cybersecurity309 citations Open access
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A New Take on Detecting Insider Threats: Exploring the Use of Hidden Markov Models
Tabish Rashid, Ioannis Agrafiotis, Jason R. C. Nurse
2016MIST@CCS173 citations
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Towards a Conceptual Model and Reasoning Structure for Insider Threat Detection
P. Legg, N. Moffat, Jason R. C. Nurse, J. Happa +3 more
2013J. Wirel. Mob. Networks Ubiquitous Comput. Dependable Appl.84 citations
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Mapping the coverage of security controls in cyber insurance proposal forms
Daniel W. Woods, Ioannis Agrafiotis, Jason R. C. Nurse, S. Creese
2017Journal of Internet Services and Applications65 citations Open access
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Determining the Veracity of Rumours on Twitter
Georgios Giasemidis, Colin Singleton, Ioannis Agrafiotis, Jason R. C. Nurse +3 more
2016Social Informatics58 citations Open access
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Catching the Phish: Detecting Phishing Attacks using Recurrent Neural Networks (RNNs)
Lukas Halgas, Ioannis Agrafiotis, Jason R. C. Nurse
2019Web Information System and Application Conference54 citations Open access
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The Data that Drives Cyber Insurance: A Study into the Underwriting and Claims Processes
Jason R. C. Nurse, Louise Axon, Arnau Erola, Ioannis Agrafiotis +2 more
2020International Conference on Cyber Situational Awareness44 citations Open access
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Smart Insiders: Exploring the Threat from Insiders Using the Internet-of-Things
Jason R. C. Nurse, Arnau Erola, Ioannis Agrafiotis, M. Goldsmith +1 more
2015International Workshop on Secure Internet of Things44 citations Open access
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A Semi-Supervised Approach to Message Stance Classification
Georgios Giasemidis, N. Kaplis, Ioannis Agrafiotis, Jason R. C. Nurse
2019IEEE Transactions on Knowledge and Data Engineering40 citations Open access
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Two sides of the coin: measuring and communicating the trustworthiness of online information
Jason R. C. Nurse, Ioannis Agrafiotis, M. Goldsmith, S. Creese +1 more
2014Journal of Trust Management40 citations Open access
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The challenge of detecting sophisticated attacks: Insights from SOC Analysts
Olusola Akinrolabu, Ioannis Agrafiotis, Arnau Erola
2018ARES37 citations
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A Critical Reflection on the Threat from Human Insiders - Its Nature, Industry Perceptions, and Detection Approaches
Jason R. C. Nurse, P. Legg, Oliver Buckley, Ioannis Agrafiotis +5 more
2014Interacción32 citations Open access
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Insider threat response and recovery strategies in financial services firms
Jacqueline Eggenschwiler, Ioannis Agrafiotis
201626 citations Open access
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A System to Calculate Cyber-Value-at-Risk
Arnau Erola, Ioannis Agrafiotis, Jason R. C. Nurse, Louise Axon +2 more
2021Computers & security23 citations Open access
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Cyber Harm: Concepts, Taxonomy and Measurement
Ioannis Agrafiotis, Maria Bada, P. Cornish, S. Creese +4 more
201623 citations Open access
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Nonsense Attacks on Google Assistant and Missense Attacks on Amazon Alexa
M. Bispham, Ioannis Agrafiotis, M. Goldsmith
2019International Conference on Information Systems Security and Privacy22 citations Open access
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Identifying attack patterns for insider threat detection
Ioannis Agrafiotis, Jason R. C. Nurse, Oliver Buckley, Phil Legg +2 more
201521 citations
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Assessing a Decision Support Tool for SOC Analysts
J. Happa, Ioannis Agrafiotis, Martin Helmhout, Thomas Bashford-rogers +2 more
2021DTRAP19 citations Open access
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Reviewing National Cybersecurity Awareness in Africa: An Empirical Study
Maria Bada, B. von Solms, Ioannis Agrafiotis
201819 citations
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CyberVis: Visualizing the potential impact of cyber attacks on the wider enterprise
S. Creese, M. Goldsmith, N. Moffat, J. Happa +1 more
2013IEEE International Conference on Technologies for Homeland Security19 citations
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Building Confidence in Information-Trustworthiness Metrics for Decision Support
Jason R. C. Nurse, Ioannis Agrafiotis, S. Creese, M. Goldsmith +1 more
20132013 12th IEEE International Conference on Trust, Security and Privacy in Computing and Communications18 citations
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Validating an Insider Threat Detection System: A Real Scenario Perspective
Ioannis Agrafiotis, Arnau Erola, J. Happa, M. Goldsmith +1 more
20162016 IEEE Security and Privacy Workshops (SPW)17 citations
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A system to calculate Cyber Value-at-Risk
Arnau Erola, Ioannis Agrafiotis, Jason R. C. Nurse, Louise Axon +2 more
2022Computers & security16 citations
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Insider-threat detection: Lessons from deploying the CITD tool in three multinational organisations
Arnau Erola, Ioannis Agrafiotis, M. Goldsmith, S. Creese
2022Journal of Information Security and Applications16 citations Open access
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A Tripwire Grammar for Insider Threat Detection
Ioannis Agrafiotis, Arnau Erola, M. Goldsmith, S. Creese
2016MIST@CCS16 citations Open access
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Applying Formal Methods to Detect and Resolve Ambiguities in Privacy Requirements
Ioannis Agrafiotis, S. Creese, M. Goldsmith, N. Papanikolaou
2010PrimeLife15 citations Open access
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Towards a User and Role-based Sequential Behavioural Analysis Tool for Insider Threat Detection
Ioannis Agrafiotis, P. Legg, M. Goldsmith, S. Creese
2014Journal of Internet Services and Information Security14 citations
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Reaching for Informed Revocation: Shutting Off the Tap on Personal Data
Ioannis Agrafiotis, S. Creese, M. Goldsmith, N. Papanikolaou
2009PrimeLife14 citations Open access
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Analysing cyber-insurance claims to design harm-propagation trees
Louise Axon, Arnau Erola, Ioannis Agrafiotis, M. Goldsmith +1 more
20192019 International Conference on Cyber Situational Awareness, Data Analytics And Assessment (Cyber SA)13 citations
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A Bayesian approach to insider threat detection
Alexander Walls, Ioannis Agrafiotis
2021J. Wirel. Mob. Networks Ubiquitous Comput. Dependable Appl.11 citations
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Modeling Advanced Persistent Threats to enhance anomaly detection techniques
Cheyenne Atapour, Ioannis Agrafiotis, S. Creese
2018J. Wirel. Mob. Networks Ubiquitous Comput. Dependable Appl.11 citations
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RicherPicture: Semi-automated cyber defence using context-aware data analytics
Arnau Erola, Ioannis Agrafiotis, J. Happa, M. Goldsmith +2 more
20172017 International Conference On Cyber Situational Awareness, Data Analytics And Assessment (Cyber SA)10 citations Open access
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Formalising Policies for Insider-threat Detection: A Tripwire Grammar
Ioannis Agrafiotis, Arnau Erola, M. Goldsmith, S. Creese
2017J. Wirel. Mob. Networks Ubiquitous Comput. Dependable Appl.10 citations
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Communicating trustworthiness using radar graphs: A detailed look
Jason R. C. Nurse, Ioannis Agrafiotis, S. Creese, M. Goldsmith +1 more
20132013 Eleventh Annual Conference on Privacy, Security and Trust10 citations
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Insider threat response and recovery strategies in financial services firms
Jacqueline Eggenschwiler, Ioannis Agrafiotis, Jason R. C. Nurse
20168 citations Open access
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Defining Consent and Revocation Policies
Ioannis Agrafiotis, S. Creese, M. Goldsmith
20108 citations
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Ransomware as a Predator: Modelling the Systemic Risk to Prey
Louise Axon, Arnau Erola, Ioannis Agrafiotis, G. Uuganbayar +2 more
2023DTRAP7 citations Open access
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Nonsense Attacks on Google Assistant
M. Bispham, Ioannis Agrafiotis, M. Goldsmith
2018arXiv.org7 citations
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Attack and Defence Modelling for Attacks via the Speech Interface
M. Bispham, Ioannis Agrafiotis, M. Goldsmith
2019International Conference on Information Systems Security and Privacy6 citations Open access
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Reviewing National Cybersecurity Awareness for Users and Executives in Africa
Maria Bada, S. V. von Solms, Ioannis Agrafiotis
2019arXiv.org6 citations
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Using semantic clustering to support situation awareness on Twitter: the case of world views
Charles Kingston, Jason R. C. Nurse, Ioannis Agrafiotis, Andrew Milich
2018Human-Centric Computing and Information Sciences6 citations Open access
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An Assessment of the Security and Transparency Procedural Components of the Estonian Internet Voting System
Jason R. C. Nurse, Ioannis Agrafiotis, Arnau Erola, Maria Bada +4 more
2017Interacción5 citations Open access
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Black-Box Attacks via the Speech Interface Using Linguistically Crafted Input
M. Bispham, A. J. van Rensburg, Ioannis Agrafiotis, M. Goldsmith
2019International Conference on Information Systems Security and Privacy4 citations Open access
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Analysing trends and success factors of international cybersecurity capacity−building initiatives
Ioannis Agrafiotis
20184 citations
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Tag clouds with a twist: using tag clouds coloured by information’s trustworthiness to support situational awareness
Jason R. C. Nurse, Ioannis Agrafiotis, M. Goldsmith, S. Creese +1 more
2015Journal of Trust Management4 citations Open access
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Information trustworthiness as a solution to the misinformation problems in social media
Ioannis Agrafiotis, S. Creese, M. Goldsmith, Jason R. C. Nurse
20154 citations
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Developing a Strategy for Automated Privacy Testing Suites
Ioannis Agrafiotis, S. Creese, M. Goldsmith
2011PrimeLife4 citations Open access
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A State Machine System for Insider Threat Detection
Haozhe Zhang, Ioannis Agrafiotis, Arnau Erola, S. Creese +1 more
2018International Workshop on Graphical Models for Security3 citations Open access
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Formalising Requirements for a Biobank Case Study Using a Logic for Consent and Revocation
Ioannis Agrafiotis, S. Creese, M. Goldsmith
2011PrimeLife3 citations Open access
Semantic Scholar
Cybersecurity Implications of Changing Patterns of Office, Home, and Hybrid Work: An Exploratory Global Survey
Patricia Esteve-González, W. Dutton, S. Creese, Ioannis Agrafiotis
2023Social Science Research Network2 citations Open access
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