When an employee goes rogue, they can exploit their privileged status as insiders to inflict major damage on the organization. Firewalls, intrusion detection systems and other traditional security measures that companies use to fight external threats arent going to mitigate the threats posed by malicious insiders. The struggle to combat insider threats is a more complex job thats going to require steadfast vigilance, communications skills and exceptionally good judgement ultimately, a very human touch. The first fix should be to tighten lax corporate procedures governing access privileges.”]
Source: https://www.csoonline.com/article/3198517/profile-of-a-rogue-insider-cyberbreach.html

