Defense Industrial Base (DIB) | Homeland Security
U.S. flag

An official website of the United States government

  1. Home
  2. About DHS
  3. Site Links
  4. Keywords
  5. Defense Industrial Base (DIB)

Defense Industrial Base (DIB)

Last Updated: | Site Page

DHS Personnel Security Info & Reference Materials

Information on policies, procedures, and general reference information related to personnel security at DHS. This information is provided to aid DHS’s industry partners, as well as the general public, in navigating the personnel security landscape when doing business with DHS.

Last Updated: | Site Page

Office of the Chief Security Officer

The Office of the Chief Security Officer (OCSO) is a DHS Headquarters element located within the Management Directorate. The OCSO Mission is to deliver enterprise wide security solutions to protect the Department's people, information and resources against constant evolving threats.