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Dr Shamal Faily


Automation and cyber security risks on the railways: the human factors implications. (2022)
Presentation / Conference
THON, E. and FAILY, S. 2022. Automation and cyber security risks on the railways: the human factors implications. Presented at the 2022 International conference on ergonomics and human factors, part one (EHF2022 Online), 11-12 April 2022, [virtual event].

Automation improves rail passenger experience, but may reduce cyber resilience because it fails to adequately account for human factors. Preliminary results from a study on signallers and automation confirms this, but judicious use of modelling tools... Read More about Automation and cyber security risks on the railways: the human factors implications..

Assessing system of systems information security risk with OASoSIS. (2022)
Journal Article
KI-ARIES, D., FAILY, S., DOGAN, H. and WILLIAMS, C. 2022. Assessing system of systems information security risk with OASoSIS. Computers and security [online], 117, article 102690. Available from: https://doi.org/10.1016/j.cose.2022.102690

The term System of Systems (SoS) is used to describe the coming together of independent systems, collaborating to achieve a new or higher purpose. However, the SoS concept is often misunderstood within operational environments, providing challenges t... Read More about Assessing system of systems information security risk with OASoSIS..

Integrated design framework for facilitating systems-theoretic process analysis. (2022)
Conference Proceeding
ALTAF, A., FAILY, S., DOGAN, H., THRON, E. and MYLONAS, A. 2022. Integrated design framework for facilitating systems-theoretic process analysis. In Katsikas, S., Lambrinoudakis, C., Cuppens, N. et al (eds.) Computer security: 26th European symposium on research in computer security (ESORICS 2021) international workshops: selected papers from 7th workshop on the security of industrial control systems of cyber-physical systems (CyberICPS 2021), co-located with SECPRE, ADIoT, SPOSE, CPS4CIP, CDT and SECOMANE, 4-8 October 2021, Darmstadt, Germany. Lecture notes in computer science (LNCS), 13106. Cham: Springer [online], pages 58-73. Available from: https://doi.org/10.1007/978-3-030-95484-0_4

Systems-Theoretic Process Analysis (STPA) helps mitigate identified safety hazards leading to unfortunate situations. Usually, a systematic step-by-step approach is followed by safety experts irrespective of any software based tool-support, but ident... Read More about Integrated design framework for facilitating systems-theoretic process analysis..

Cybersecurity user requirements analysis: the ECHO approach. (2022)
Conference Proceeding
KATOS, V., KI-ARIES, D., FAILY, S., GENCHEV, A., BOZHILOVA, M. and STOIANOV, N. 2022. Cybersecurity user requirements analysis: the ECHO approach. In: Shkarlet, S., Morozov, A., Palagin, A., Vinnikov, D., Stoianov, N., Zhelezniak, M. and Kazymyr, V. (eds.) Mathematical modeling and simulation of systems: selected papers from the proceedings of the 16th International scientific-practical conference on mathematical modeling and simulation of systems (MODS 2021), 28 June - 1 July 2021, Chernihiv, Ukraine. Lecture notes in networks and systems, 344. Cham: Springer [online], pages 405-421. Available from: https://link.springer.com/book/9783030899011

Cyber defense requires research and investment in advanced technological solution as well as in the development of effective methods and tools for identifying cyber threats and risks. This implies a need for a well-defined process for user requiremen... Read More about Cybersecurity user requirements analysis: the ECHO approach..

Use-case informed task analysis for secure and usable design solutions in rail. (2021)
Conference Proceeding
ALTAF, A., FAILY, S., DOGAN, H., MYLONAS, A. and THRON, E. 2021. Use-case informed task analysis for secure and usable design solutions in rail. In Percia, D.D., Mermoud, A. and Maillart, T. (eds.). Critical information infrastructures security: revised selected papers of 16th international conference on Critical information infrastructures security 2021 (CRITIS 2021), 27-29 September 2021, Lausanne, Switzerland. Lecture notes in computer science, 13139. Cham: Springer [online], pages 168-185. Available from: https://doi.org/10.1007/978-3-030-93200-8_10

Meeting secure and usable design goals needs the combined effort of safety, security and human factors experts. Human factors experts rely on a combination of cognitive and hierarchical task analysis techniques to support their work. We present an ap... Read More about Use-case informed task analysis for secure and usable design solutions in rail..

Visualising personas as goal models to find security tensions. (2021)
Journal Article
FAILY, S., IACOB, C., ALI, R. and KI-ARIES, D. 2021. Visualising personas as goal models to find security tensions. Information and computer security [online], 29(5), pages 787-815. Available from: https://doi.org/10.1108/ICS-03-2021-0035

This paper aims to present a tool-supported approach for visualising personas as social goal models, which can subsequently be used to identify security tensions. The authors devised an approach to partially automate the construction of social goal m... Read More about Visualising personas as goal models to find security tensions..

Evaluating privacy: determining user privacy expectations on the web. (2021)
Journal Article
PILTON, C., FAILY, S., and HENRIKSEN-BULMER, J. 2021. Evaluating privacy: determining user privacy expectations on the web. Computers and security [online], 105, article 102241. Available from: https://doi.org/10.1016/j.cose.2021.102241

Individuals don’t often have privacy expectations. When asked to consider them, privacy realities were frequently perceived not to meet these expectations. Some websites exploit the trust of individuals by selling, sharing, or analysing their data. W... Read More about Evaluating privacy: determining user privacy expectations on the web..

Identifying implicit vulnerabilities through personas as goal models. (2020)
Conference Proceeding
FAILY, S., IACOB, C., ALI, R. and KI-ARIES, D. 2020. Identifying implicit vulnerabilities through personas as goal models. In Katsikas, S., Cuppens, F., Cuppens, N., Lambrinoudakis, C., Kalloniatis, C., Mylopoulos, J., Antón, A., Gritzalis, S., Meng, W. and Furnell, S. (eds.) Computer security: ESORICS 2020 international workshops, CyberICPS, SECPRE, and ADIoT: revised selected papers from the 4th International workshop on security and privacy requirements engineering (SECPRE 2020), co-located with the 25th European symposium on research in computer security (ESORICS 2020), 14-18 September 2020, Guildford, UK. Lecture notes in computer science, 12501. Cham: Springer [online], pages 185-202. Available from: https://doi.org/10.1007/978-3-030-64330-0_12

When used in requirements processes and tools, personas have the potential to identify vulnerabilities resulting from misalignment between user expectations and system goals. Typically, however, this potential is unfulfilled as personas and system go... Read More about Identifying implicit vulnerabilities through personas as goal models..

Contextualisation of data flow diagrams for security analysis. (2020)
Conference Proceeding
FAILY, S., SCANDARIATO, R., SHOSTACK, A., SION, L. and KI-ARIES, D. 2020. Contextualisation of data flow diagrams for security analysis. In Eades, H. III and Gadyatskaya, O. (eds.) Graphical models for security: revised selected papers from the proceedings of the 7th International workshop on graphical models for security (GraMSec 2020), 22 June 2020, Boston, USA. Lecture notes in computer science, 12419. Cham: Springer [online], pages 186-197. Available from: https://doi.org/10.1007/978-3-030-62230-5_10

Data flow diagrams (DFDs) are popular for sketching systems for subsequent threat modelling. Their limited semantics make reasoning about them difficult, but enriching them endangers their simplicity and subsequent ease of take up. We present an appr... Read More about Contextualisation of data flow diagrams for security analysis..

DPIA in context: applying DPIA to assess privacy risks of cyber physical systems. (2020)
Journal Article
HENRIKSEN-BULMER, J., FAILY, S. and JEARY, S. 2020. DPIA in context: applying DPIA to assess privacy risks of cyber physical systems. Future internet [online], 12(5), article 93. Available from: https://doi.org/10.3390/fi12050093

Cyber Physical Systems (CPS) seamlessly integrate physical objects with technology, thereby blurring the boundaries between the physical and virtual environments. While this brings many opportunities for progress, it also adds a new layer of complexi... Read More about DPIA in context: applying DPIA to assess privacy risks of cyber physical systems..