To learn how to update the categories for this article, see here. To update categories, edit the metadata template.
Definition: Any of a range of activities, intended to affect the behavior of a target nation or non-national actor, where the performing actor takes all practical efforts to ensure that the fact of the activities do not become known to unauthorized personnel. Only a small number of officials of the country or non-state entity performing the operation may be aware of it. [d] [e]