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OPNAVINST 5239.1E — U.S. NAVY CYBERSECURITY PROGRAM

OPNAVINST 5239.1E is listed as current Current
in the DON Issuances (DONI) catalog as of our last index refresh (2026-08-23). Status is mirrored from that catalog, re-checked weekly — every change is logged.

Branch	U.S. Navy
Series	OPNAVINST
Publication date	2023-11-17 (2.8 years ago)
Status	Current
Proponent / OPR	N2N6
Source of record	DON Issuances (DONI)

Download PDF Official document (DON Issuances (DONI))

What this publication covers

This instruction establishes policies, procedures and assigns responsibilities for executing and maintaining the United States Navy’s (USN) Cybersecurity Program and implements the provisions of references (a) through (bc). This instruction integrates the USN cybersecurity safety (CYBERSAFE) into the USN Cybersecurity Program in order to best position the U.S. Navy to fight and win with speed and agility in the increasingly contested and connected cyber-dominated battlespace by providing maximum reasonable assurance of resiliency for mission critical weapon systems, industrial control systems and information technology (IT) systems.
— OPNAVINST 5239.1E, paragraph 1, p.1, quoted from the official PDF

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Nearby in the OPNAVINST series

OPNAVINST 5222.1B CH-1 — ENTERPRISE TASK MANAGEMENT SOLUTION SYSTEM BUSINESS RULES Current
OPNAVINST 5222.2 — NAVY EXECUTIVE THREE STAR FORUM AND OPNAV ENGINE ROOM Current
OPNAVINST 5222.3 — PERFORMANCE TO PLAN Current
OPNAVINST 5239.2A — NAVY INTERNET PROTOCOL AND DOMAIN NAME SERVICE MANAGEMENT Current
OPNAVINST 5250.4 — OCEANOGRAPHIC AND ATMOSPHERIC MASTER LIBRARY IMPLEMENTATION AND APPLICATION Rescinded / cancelled

This is an unofficial index built from the public catalog. The controlling copy is always the one on DON Issuances (DONI) — verify there before citing OPNAVINST 5239.1E in an official product.