Plaster of Paris is a quick-setting gypsum plaster consisting of a fine white powder, which hardens when moistened and allowed to dry. It is primarily used in construction, sculpture, and medical applications such as making casts for broken bones. In the context of cybersecurity, 'Plaster of Paris' does not have a recognized technical meaning. If encountered in cybersecurity discussions, it may be used metaphorically or as a codename, but it is not an established term within the field.