Chapter 17. US Department of Defense Cyber Command and Organizational Structure

Some of the information regarding the US Department of Defense organizational chart has been changed since this chapter was written. A few changes are represented in the footnotes; however, the DoD’s process of reshaping itself is ongoing and their review process was too lengthy to meet the publishing requirements for this second edition. Thus, readers are encouraged to check the facts contained in this chapter with the latest guidance from the US DoD.


The US Department of Defense (DOD) has taken a decentralized approach to the organization of its cyber security structure. There are various organizations, divisions, and agencies that address the DoD’s cyber security needs at both the policymaking and operational levels. The Joint Chiefs of Staff, the US Joint Forces Command (JFCOM), and several offices within the Office of the Secretary of Defense have roles in developing policy and guiding cyber security strategy.[207] At the operational level, the central organization to DOD’s cyber security efforts is US Cyber Command (USCYBERCOM), which was created in June 2009 under US Strategic Command (USSTRATCOM).[208] The Joint Information Operations Warfare Center (JIOWC) was also created to plan, integrate, and synchronize information operations (IO) in direct support of Joint Force Commanders and to serve as the USSTRATCOM lead for enhancing IO across the Department of Defense. Additionally, the director ...

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