Unit HomeAgenciesDeputy Commandant InformationCommand, Control, Communications, and ComputersCybersecurity Division



Command, Control, Communications, and Computers, Compliance Branch

Cybersecurity Division Mission

To provide policies, procedures, governance, and oversight to prevent damage to and ensure the protection and restoration of computers, electronic communications systems, electronic communications services, wire communication, and electronic communications, including the information contained therein.

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

Please note, this site replaces the old public website (https://c4.hqi.usmc.mil/default.asp) so please be sure to update existing links.

Also this site provides high-level information and is supplemented by the Cybersecurity Division SharePoint site that contains detailed information for each of the topics listed here. (CAC and MCW account required). Please click here for more information regarding this requirement.

Last Update,  ‎ ‎5‎/‎2‎/‎2017,  ‎08‎:‎27‎‎ AM EST

Functional Area Contacts
  • HQMC C4

    Cybersecurity Division

    Pentagon, Room 1D247
    Washington, DC 20350-3000