This book explores the intersection of cybersecurity and psychology, examining the motivations and behaviours of cybersecurity professionals, employees, hackers, and cybercriminals. It delves into the psychology of both cyber attackers and defenders, offering insights into their motivations. The book will explore key themes which include cognitive bias, human factors in decision-making, and the impact of threat vectors. The book features numerous case studies and interviews with hackers and whistleblowers, providing a comprehensive understanding of cybersecurity from multiple perspectives. Ideal for tech enthusiasts and psychology lovers, this book highlights the critical connection between human behaviour and digital security.