It is important to know who means you harm, what they want, and how they plan to get it. Most of them fit into the following categories: Government Sponsored, organized crime, government sponsored hackers. Internal user errors have been known to bring down critical resources such as firewalls, routers, and servers, causing widespread or departmental company outages. Internal User Error: Users making mistakes with configurations are actually the largest threat organizations face. You need to evaluate your organization so you can determine which of these threat actors you are most likely to encounter.”]
Source: https://www.csoonline.com/article/3203804/know-your-enemy-understanding-threat-actors.html