The notion documentation security covers the protection of classified information throughout its entire lifetime. It comprises appropriate marking and tracing of a classified piece of information throughout its life cycle as well as appropriate custody and finally also registered destruction.   However, comprehensive documentation security may only be attained along with other measures providing security ”as a whole”. From this aspect, documentation security is inseparably linked with personnel and physical security.  But documentation security shall also be aimed at permanent accessibility to classified information, both, from the aspect of time as well as content. Only if this is the case, comprehensive documentation security can be provided.