Beyond Murphy's Law: Applying Wider Human Factors Behavioural Science Approaches in Cyber-Security Resilience An Applied Practice Case Study Discussing Approaches to Assessing Human Factors Vulnerabilities in Cyber-Security Systems

摘要

Traditional approaches to cyber-security resilience, assuring the overall socio-technical system is secure from immediate known attacks and routes to potential future attacks, have relied on three pillars of people, process, and technology.In any complex socio-technical system, human behaviour can disrupt the secure and efficient running of the system with risk accumulating through individual and system-wide errors and compromised security behaviours that may be exploited by actors with malicious intent.Practitioners' experience and use of different assessment methods and approaches to establish cyber-security vulnerabilities and risk are evaluated. Qualitative and quantitative methods and data are used for different stages of investigations in order to derive risk assessments and access contextual experience for further analyses. Organisational security culture and development approaches along with safety assessment methods are discussed in this case study to understand how well the people, the system, and the organisation interact.Cyber-security Human Factors practice draws on other application areas such as safety, usability, behaviours and culture to progressively assess security posture; the benefits of each approach are discussed.This study identifies the most effective methods for vulnerability identification and risk assessment, with focus on modelling large, dynamic and complex socio-technical systems, to be those which identify cultural factors with impact on human-system interactions.