Hello esteemed readers and corporate security leaders, I am Dr. Alper KÜÇÜK, a behavioral cybersecurity specialist. In this article, we will examine one of the most complex topics in the field of Behavioral Cybersecurity: the Dark Tetrad personality traits and how these traits increase the likelihood of insider threat behavior. While the earlier literature largely focused on the Dark Triad , the addition of Sadism —particularly its manifestation as Cyber Sadism —has increasi