Table 1 Key features and sources of information regarding the motivation

Predisposition to Malicious Behaviour

# Predisposition towards Law Enforcement & authorities # Demonstation of delinquent Behaviour in the Past

# Social Networking Sites # Interaction with Honey Files # Employees' criminal record history

Mental disorders

# Paranoia # Depression, # Schizophrenia # Bipolarity

# Clinical Diagnoses # Social Networking Sites

Personality factors

# Narcissism # Psychopathy # Sociopathy # Neuroticism, # Conscientiousness # Openness, # Self-focuse # Social Distancing # Moral disengagement # Agreeableness # Excitement seeking, a facet of Extraversion # Feelings of Closeness # Sense of Collective Responsibility, # Blaming or Devaluation of a Victim, # Perception of Punishmensy and Balance of Punishment & Rewards

# Language Style Matching (LSM) # Email Communication Patterns # Website Visite Patterns # Temporal Pattern Analysis of Online and PC Usage Behaviour # Sentiment Analysis of an Insider's Communications # Visits of Socila Media Websites

Negative emotion

# Hostility # Anger # Stress

# Dynamic Environmental Stressors including personal life stressors & job stressors # Patterns of Communication and Social Interaction