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Cybersecurity Division


Cybersecurity Division

Command, Control, Communications, and Computers

C4 Mission


The C4 Department plans, directs, and coordinates all staff activities relating to C4 functions, and supports the Commandant of the Marine Corps (CMC) in his role as a member of the Joint Chiefs of Staff. As the Chief Information Officer (CIO) of the Marine Corps, provide oversight of Marine Corps Information Technology (IT) infrastructure, governance and policy of Marine Corps IT, and represents the Marine Corps at Federal Department of Defense (DOD), Joint, and Department of the Navy (DON) IT forums.            


Website Purpose



 This site is the new, public authoritative "voice" for the HQMC, C4, Cybersecurity Division that provides Stakeholders supporting the CY mission a public footprint to find documentation and support.



 Also, this site is replaces the old public website (CAC required) as individual pages are transitioned.



 Lastly, while this site provides high-level information, it is supplemented by the Cybersecurity Division SharePoint site that contains more specific information.  (CAC and MCW account required). Please click here for more information regarding this requirement.


Last Update,  ‎ ‎3‎/‎24‎/‎2016,  ‎12‎:‎20‎:‎54‎ ‎PM EST

Contact Information
  • Cybersecurity Division

    Headquarters Marine Corps Cybersecurity Division

    Pentagon, Room 2D247
    Washington, DC 20350-3000  

    Telephone: (703) 693-3490