“…Turner and Gelles [20], for instance, believe the following types of behavioural indicators need to be considered when examining insider risk: selfcentredness, arrogance, risk-taking, manipulativeness, coldness, self-deception and defensiveness. Others have suggested that insider threats score high on the personality traits that make up the 'Dark triad': narcissism, Machiavellianism and psychopathy [11,12,14,20]. The UK's Centre for the Protection of National Infrastructure (CPNI) have identified a number of other personality characteristics they believe are typical of an insider, including: immaturity, low self-esteem, amoral and unethical perspective, superficiality, proneness to fantasy, restlessness and impulsivity, and lack of conscientiousness [21].…”