There are many threats that are categorized based on the seven domains of Information Technology infrastructure. It is much easier to look at the threat and see how it can be applied to the given domain that it affects. Information Technology is a big part of the lives of everyone, from smartphones to maintaining critical data; it is everywhere and not going away.
Common risks to the User Domain are lack of awareness, apathy towards policies, security policy violations and using personal media that contains personal files on company computers. Many users download personal files such as photos, music, or videos, this can affect systems. Another type of threat that is contained in the User Domain is systems destruction, sabotage, or extortion.