• This is one of the “”Rainbow Books”” published by the NCSC (National Computer Security Centre) to define information protection standards for the US Defence Department.
â € ¢ Hii ni moja ya “”vitabu Rainbow”” iliyochapishwa na NCSC (National Computer Security Centre) kufafanua maelezo viwango vya ulinzi kwa ajili ya Ulinzi wa Marekani Idara.