scope:

Purpose.

Per the authority in reference (a), this instruction updates policy and responsibilities for Classified National Security Information (CNSI) and Controlled Unclassified Information (CUI) within an overarching Department of the Navy (DON) Information Security Program (ISP), pursuant to references (b) through (f); establishes uniform ISP policies and procedures per references (b) through (f); complies with the intent of references (b) and (d) to observe the democratic principles of openness and the free flow of information, as well as to enforce protective measures for safeguarding information critical to national security; incorporates policies and procedures established by other executive branch agencies and supplements volumes 1 through 4 of reference (f), where needed. When applying guidance of this instruction, the user must consult the appropriate volume of reference (f) to ensure proper application of DON and Department of Defense (DoD) ISP standards.