Ioannis Agrafiotis

Publication Activity (10 Years)

Years Active: 2009-2022
Publications (10 Years): 36

Top Topics

Recurrent Neural Networks

Phishing Attacks

Anomaly Detection

Top Venues

J. Wirel. Mob. Networks Ubiquitous Comput. Dependable Appl.

Publications

Arnau Erola, Ioannis Agrafiotis, Jason R. C. Nurse, Louise Axon, Michael Goldsmith, Sadie Creese
A system to calculate Cyber Value-at-Risk. Comput. Secur. 113 (2022)
Arnau Erola, Ioannis Agrafiotis, Michael Goldsmith, Sadie Creese
Insider-threat detection: Lessons from deploying the CITD tool in three multinational organisations. J. Inf. Secur. Appl. 67 (2022)
Alexander Walls, Ioannis Agrafiotis
A Bayesian approach to insider threat detection. J. Wirel. Mob. Networks Ubiquitous Comput. Dependable Appl. 12 (2) (2021)
Arnau Erola, Louise Axon, Alastair Janse van Rensburg, Ioannis Agrafiotis, Michael Goldsmith, Sadie Creese
Control Effectiveness: a Capture-the-Flag Study. ARES (2021)
Ioannis Agrafiotis, Gökhan Kul
Guest Editorial: Special Issue on Advances in Insider Threat Detection. J. Wirel. Mob. Networks Ubiquitous Comput. Dependable Appl. 12 (2) (2021)
Georgios Giasemidis, Nikolaos Kaplis, Ioannis Agrafiotis, Jason R. C. Nurse
A Semi-Supervised Approach to Message Stance Classification. IEEE Trans. Knowl. Data Eng. 32 (1) (2020)
Jason R. C. Nurse, Louise Axon, Arnau Erola, Ioannis Agrafiotis, Michael Goldsmith, Sadie Creese
The Data that Drives Cyber Insurance: A Study into the Underwriting and Claims Processes. CyberSA (2020)
Jason R. C. Nurse, Louise Axon, Arnau Erola, Ioannis Agrafiotis, Michael Goldsmith, Sadie Creese
The Data that Drives Cyber Insurance: A Study into the Underwriting and Claims Processes. CoRR (2020)
Mary K. Bispham, Ioannis Agrafiotis, Michael Goldsmith
Attack and Defence Modelling for Attacks via the Speech Interface. ICISSP (2019)
Jassim Happa, Thomas Bashford-Rogers, Ioannis Agrafiotis, Michael Goldsmith, Sadie Creese
Anomaly Detection Using Pattern-of-Life Visual Metaphors. IEEE Access 7 (2019)
Lukas Halgas, Ioannis Agrafiotis, Jason R. C. Nurse
Catching the Phish: Detecting Phishing Attacks using Recurrent Neural Networks (RNNs). CoRR (2019)
Maria Bada, Basie von Solms, Ioannis Agrafiotis
Reviewing National Cybersecurity Awareness for Users and Executives in Africa. CoRR (2019)
Georgios Giasemidis, Nikolaos Kaplis, Ioannis Agrafiotis, Jason R. C. Nurse
A semi-supervised approach to message stance classification. CoRR (2019)
Lukas Halgas, Ioannis Agrafiotis, Jason R. C. Nurse
Catching the Phish: Detecting Phishing Attacks Using Recurrent Neural Networks (RNNs). WISA (2019)
Mary K. Bispham, Ioannis Agrafiotis, Michael Goldsmith
The Security of the Speech Interface: A Modelling Framework and Proposals for New Defence Mechanisms. ICISSP (Revised Selected Papers) (2019)
Louise Axon, Arnau Erola, Ioannis Agrafiotis, Michael Goldsmith, Sadie Creese
Analysing cyber-insurance claims to design harm-propagation trees. CyberSA (2019)
Mary K. Bispham, Ioannis Agrafiotis, Michael Goldsmith
Nonsense Attacks on Google Assistant and Missense Attacks on Amazon Alexa. ICISSP (2019)
Mary K. Bispham, Alastair Janse van Rensburg, Ioannis Agrafiotis, Michael Goldsmith
Black-Box Attacks via the Speech Interface Using Linguistically Crafted Input. ICISSP (Revised Selected Papers) (2019)
Charlie Kingston, Jason R. C. Nurse, Ioannis Agrafiotis, Andrew Milich
Using semantic clustering to support situation awareness on Twitter: the case of world views. Hum. centric Comput. Inf. Sci. 8 (2018)
Mary K. Bispham, Ioannis Agrafiotis, Michael Goldsmith
Nonsense Attacks on Google Assistant. CoRR (2018)
Cheyenne Atapour, Ioannis Agrafiotis, Sadie Creese
Modeling Advanced Persistent Threats to enhance anomaly detection techniques. J. Wirel. Mob. Networks Ubiquitous Comput. Dependable Appl. 9 (4) (2018)
Ioannis Agrafiotis, Jason R. C. Nurse, Michael Goldsmith, Sadie Creese, David Upton
A taxonomy of cyber-harms: Defining the impacts of cyber-attacks and understanding how they propagate. J. Cybersecur. 4 (1) (2018)
Haozhe Zhang, Ioannis Agrafiotis, Arnau Erola, Sadie Creese, Michael Goldsmith
A State Machine System for Insider Threat Detection. GraMSec@FLoC (2018)
Charlie Kingston, Jason R. C. Nurse, Ioannis Agrafiotis, Andrew Milich
Using semantic clustering to support situation awareness on Twitter: The case of World Views. CoRR (2018)
Olusola Akinrolabu, Ioannis Agrafiotis, Arnau Erola
The challenge of detecting sophisticated attacks: Insights from SOC Analysts. ARES (2018)
Jason R. C. Nurse, Ioannis Agrafiotis, Arnau Erola, Maria Bada, Taylor Roberts, Meredydd Williams, Michael Goldsmith, Sadie Creese
An Assessment of the Security and Transparency Procedural Components of the Estonian Internet Voting System. HCI (22) (2017)
Arnau Erola, Ioannis Agrafiotis, Jassim Happa, Michael Goldsmith, Sadie Creese, Philip A. Legg
RicherPicture: Semi-automated cyber defence using context-aware data analytics. CyberSA (2017)
Daniel W. Woods, Ioannis Agrafiotis, Jason R. C. Nurse, Sadie Creese
Mapping the coverage of security controls in cyber insurance proposal forms. J. Internet Serv. Appl. 8 (1) (2017)
Ioannis Agrafiotis, Arnau Erola, Michael Goldsmith, Sadie Creese
Formalising Policies for Insider-threat Detection: A Tripwire Grammar. J. Wirel. Mob. Networks Ubiquitous Comput. Dependable Appl. 8 (1) (2017)
Ioannis Agrafiotis, Arnau Erola, Jassim Happa, Michael Goldsmith, Sadie Creese
Validating an Insider Threat Detection System: A Real Scenario Perspective. IEEE Symposium on Security and Privacy Workshops (2016)
Jassim Happa, Graham Fairclough, Jason R. C. Nurse, Ioannis Agrafiotis, Michael Goldsmith, Sadie Creese
A Pragmatic System-failure Assessment and Response Model. ICISSP (2016)
Georgios Giasemidis, Colin Singleton, Ioannis Agrafiotis, Jason R. C. Nurse, Alan Pilgrim, Chris Willis, Danica Vukadinovic Greetham
Determining the Veracity of Rumours on Twitter. CoRR (2016)
Tabish Rashid, Ioannis Agrafiotis, Jason R. C. Nurse
A New Take on Detecting Insider Threats: Exploring the Use of Hidden Markov Models. MIST@CCS (2016)
Georgios Giasemidis, Colin Singleton, Ioannis Agrafiotis, Jason R. C. Nurse, Alan Pilgrim, Chris Willis, Danica Vukadinovic Greetham
Determining the Veracity of Rumours on Twitter. SocInfo (1) (2016)
Ioannis Agrafiotis, Arnau Erola, Michael Goldsmith, Sadie Creese
A Tripwire Grammar for Insider Threat Detection. MIST@CCS (2016)
Jason R. C. Nurse, Arnau Erola, Ioannis Agrafiotis, Michael Goldsmith, Sadie Creese
Smart Insiders: Exploring the Threat from Insiders Using the Internet-of-Things. SIoT (2015)
Jason R. C. Nurse, Philip A. Legg, Oliver Buckley, Ioannis Agrafiotis, Gordon R. T. Wright, Monica T. Whitty, David Upton, Michael Goldsmith, Sadie Creese
A Critical Reflection on the Threat from Human Insiders - Its Nature, Industry Perceptions, and Detection Approaches. HCI (24) (2014)
Ioannis Agrafiotis, Philip A. Legg, Michael Goldsmith, Sadie Creese
Towards a User and Role-based Sequential Behavioural Analysis Tool for Insider Threat Detection. J. Internet Serv. Inf. Secur. 4 (4) (2014)
Jason R. C. Nurse, Ioannis Agrafiotis, Sadie Creese, Michael Goldsmith, Koen Lamberts
Building Confidence in Information-Trustworthiness Metrics for Decision Support. TrustCom/ISPA/IUCC (2013)
Jason R. C. Nurse, Ioannis Agrafiotis, Sadie Creese, Michael Goldsmith, Koen Lamberts
Communicating trustworthiness using radar graphs: A detailed look. PST (2013)
Philip A. Legg, Nick Moffat, Jason R. C. Nurse, Jassim Happa, Ioannis Agrafiotis, Michael Goldsmith, Sadie Creese
Towards a Conceptual Model and Reasoning Structure for Insider Threat Detection. J. Wirel. Mob. Networks Ubiquitous Comput. Dependable Appl. 4 (4) (2013)
Ioannis Agrafiotis, Sadie Creese, Michael Goldsmith
Developing a Strategy for Automated Privacy Testing Suites. PrimeLife (2011)
Ioannis Agrafiotis, Sadie Creese, Michael Goldsmith
Formalising Requirements for a Biobank Case Study Using a Logic for Consent and Revocation. PrimeLife (2011)
Ioannis Agrafiotis, Sadie Creese, Michael Goldsmith, Nick Papanikolaou
Applying Formal Methods to Detect and Resolve Ambiguities in Privacy Requirements. PrimeLife (2010)
Ioannis Agrafiotis, Sadie Creese, Michael Goldsmith, Nick Papanikolaou
Reaching for Informed Revocation: Shutting Off the Tap on Personal Data. PrimeLife (2009)