The growing dependence of most organisations on their information systems, coupled with the risks that might be come up. Information has become an important thing that has to be available and usable when required, and is protected against unauthorized who will use it for certain purpose that will spoil the information. Communication centre of department of foreign affair as a division which manage the critical information is expected to guarantee the assets security related to information, so that the objective of Department of Foreign Affair can be achieved. To accomplish its responsibility, communication centre of department of foreign affair has to have excellent information security governance. Information security governance can be organized based on information security management system standard ISO 27001. Information security management system provides systematic approach to manage sensitive information in order to secure the information. Risks management performed to assess how far possible risks can be handled by control implementation based on ISO 27001. Keywords: Information security, ISMS, ISO27001, Puskom Deplu vii + 58 pages; 8 pictures; 6 tables; 2 attachments Bibliography : 12 (1993-2005)