Department of Defense
DIRECTIVE
NUMBER 5200.43
October 1, 2012
Incorporating Change 1, April 24, 2013
USD(I)
SUBJECT: Management of the Defense Security Enterprise
References: See Enclosure 1
1. PURPOSE. Pursuant to the authorities in paragraph 1.10(h) of Executive Order 12333
(Reference (a)) and consistent with the delegations of authority in DoD Directive (DoDD)
5143.01 (Reference (b)), this Directive:
a. Establishes policy and assigns responsibilities for the management of the Defense Security
Enterprise (DSE).
b. Establishes the DSE Executive Committee (DSE ExCom) and provides direction for a
comprehensive DSE policy and oversight framework and governance structure to safeguard
personnel, information, operations, resources, technologies, and facilities against harm, loss, or
hostile acts and influences.
c. Deconflicts the DSE from other DoD security related functions such as force protection
and provides for the alignment, synchronization, support, and integration of those related
security functions.
d. Assigns responsibilities related to the DSE to the Defense Security Executive.
e. Provides a common lexicon for the DSE.
2. APPLICABILITY. This Directive:
a. Applies to OSD, the Military Departments, the Office of the Chairman of the Joint Chiefs
of Staff and the Joint Staff, the Combatant Commands, the Office of the Inspector General of the
Department of Defense, the Defense Agencies, the DoD Field Activities, and all other
organizational entities within the DoD (hereinafter referred to collectively as the “DoD
Components”).
