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Listed below are commonly requested items.  Files containing "Controlled Unclassifed Information (CUI) formerly known as For Official Use Only (FOUO) " information are protected and are located within the ICC Cybersecurity SharePoint Online Site (link listed below).

Questions may be answered by the ICC- Cybersecurity Information Manager.


Available Enterprise Cybersecurity Manuals (ECSMs)

Visit this link to see the list of available ECSMs.


Enterprise Cybersecurity Repository - CUI

Click here to enter

NOTE: Requires active and valid O365 Account and "Lawful government purpose" for access. All USMC Users with active and valid O365 now have access. Users external to USMC or without O365 accounts, contact the CY Information Manager using the "Suggestions About the Website?" link on the right for access. Be sure to cite your lawful government purpose.



Visit this page to learn more about the accounts needed to access the various Cybersecurity – related sites / applications.


  • Compliance Branch / Cybersecurity

    Headquarters Marine Corps Cybersecurity Division

    Pentagon, Room 1D247
    Washington, DC 20350-3000

Last Updated:  19 August 2022

Headquarters Marine Corps