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Abstract

The threat that insiders pose to businesses, institutions and governmental organisations continues to be of serious concern. Recent industry surveys provide unequivocal evidence to support the significance of this threat and its prevalence in enterprises today.1 In an attempt to address this challenge, several approaches and systems have been proposed by practitioners and researchers. These focus on defining the insider threat and exploring the human and psychological factors involved, through to the detection and deterrence of these threats via technological and behavioural theories.2, 3, 4, 5, 6Insider threats pose major concerns to businesses, institutions and governmental organisations. Few solutions to this problem consider all the technical, organisational and behavioural aspects.In new research, Ioannis Agrafiotis, Jason RC Nurse, Oliver Buckley, Phil Legg, Sadie Creese and Michael Goldsmith define attack patterns that could be key in assisting insider-threat detection, based on 120 real-world case studies. They present their findings, representing each case study as a series of attack steps and identify common trends between different attacks.