OPERATIONS SECURITY (OPSEC) - U.S. Department of Defense

1 UNCLASSIFIED 1 SEP 2017 UNCLASSIFIED NAVY NTTP MARINE CORPS MCTP 3-32 BOPERATIONS SECURITY (OPSEC) EDITION SEPTEMBER 2017 DISTRIBUTION RESTRICTION: APPROVED FOR PUBLIC RELEASE; DISTRIBUTION IS UNLIMITED. NAVY WARFARE DEVELOPMENT COMMAND 1528 PIERSEY STREET, BLDG O-27 NORFOLK, VA 23511-2723 PRIMARY REVIEW AUTHORITY: NAVAL INFORMATION WARFIGHTING DEVELOPMENT COMMAND URGENT CHANGE/ERRATUM RECORD NUMBER DATE ENTERED BY Department OF THE NAVY OFFICE OF THE CHIEF OF NAVAL OPERATIONS HEADQUARTERS, MARINE CORPS This and other Navy Warfare Library publications, including any edition updates, are available at the Navy Doctrine Library System Web sites.

2 And 0411LP1179644 UNCLASSIFIED NTTP 3-32B SEP 2017 2 UNCLASSIFIED INTENTIONALLY BLANK UNCLASSIFIED NTTP 3-32B 3 SEP 2017 UNCLASSIFIED UNCLASSIFIED NTTP 3-32B SEP 2017 4 UNCLASSIFIED INTENTIONALLY BLANK UNCLASSIFIED NTTP 3-32B 5 SEP 2017 UNCLASSIFIED September2017 PUBLICATION NOTICEROUTING1.

3 NTTP 3-32B (SEP 2017), OPERATIONS SECURITY (OPSEC), is available in the Navy Warfare Library. It supersedes and cancels NTTP 3-54M/MCWP (MAR 2009), OPERATIONS SECURITY (OPSEC) and is effective upon receipt. 2. Summary. NTTP 3-32B is the Department of the Navy comprehensive OPSEC guide that provides commanders a method to incorporate the OPSEC process into daily activities, exercises, and mission planning to assist Navy and Marine Corps commands, afloat and ashore, in practicing and employing OPSEC. Navy Warfare Library publications must be made readily available to all users and other interested personnel within the Navy.

4 Note to Navy Warfare Library Custodian This notice should be duplicated for routing to cognizant personnel to keep them informed of changes to this publication. Navy Warfare Library CustodianUNCLASSIFIED NTTP 3-32B SEP 2017 6 UNCLASSIFIED INTENTIONALLY BLANK UNCLASSIFIED NTTP 3-32B 7 SEP 2017 UNCLASSIFIED CONTENTS Page No.

5 CHAPTER 1 INTRODUCTION PURPOSE .. 1-1 SCOPE .. 1-1 BACKGROUND .. 1-1 SUMMARY .. 1-1 CHAPTER 2 OPERATIONS SECURITY OVERVIEW .. 2-1 OPSEC CHARACTERISTICS .. 2-2 EVOLUTION OF OPSEC .. 2-3 CHAPTER 3 OPSEC PROCESS SCOPE .. 3-1 ESSENTIAL ELEMENTS OF FRIENDLY INFORMATION .. 3-2 STEP ONE: IDENTIFY CRITICAL INFORMATION .. 3-2 STEP TWO: ANALYZE THREAT.

6 3-4 STEP THREE: VULNERABILITY ANALYSIS .. 3-4 STEP FOUR: RISK ASSESSMENT .. 3-5 STEP FIVE: APPLY COUNTERMEASURES .. 3-6 OPSEC Measures .. 3-7 Application of Appropriate OPSEC Countermeasures .. 3-7 CHAPTER 4 THE OPSEC ASSESSMENT SCOPE .. 4-1 Enterprise Protection Risk Management .. 4-1 The 14 OPSEC Assessment Benchmarks .. 4-1 INTERNAL OPSEC ASSESSMENT .. 4-3 UNCLASSIFIED NTTP 3-32B SEP 2017 8 UNCLASSIFIED Page No. INTERNAL OPSEC ASSESSMENT PROCEDURES.

7 4-4 Planning Actions .. 4-4 Internal OPSEC Assessment Analysis .. 4-6 Identification of Vulnerabilities .. 4-6 Internal OPSEC Assessment Reporting .. 4-6 EXTERNAL OPSEC ASSESSMENTS .. 4-6 EXTERNAL RESOURCES .. 4-7 Communications SECURITY .. 4-7 Human Intelligence .. 4-8 Fleet Defensive Cyberspace OPERATIONS .. 4-8 ASSESSMENTS DURING THE OPTIMIZED FLEET RESPONSE PLAN .. 4-8 Considerations.

8 4-8 Purpose .. 4-8 CHAPTER 5 OPSEC S ROLE IN OPERATIONAL MESSAGES SCOPE .. 5-1 LOGISTICS REQUEST .. 5-1 CONCLUSION .. 5-2 CHAPTER 6 WEB RISK ASSESSMENT AND WEB SITE REGISTRATION SCOPE .. 6-1 OVERVIEW .. 6-1 OPSEC AND THE INTERNET .. 6-2 POSTING PICTURES ON THE INTERNET .. 6-4 WEB RISK ASSESSMENTS AND REVIEWS .. 6-4 WEB SITE REGISTRATION .. 6-4 CHAPTER 7 NAVAL CRIMINAL INVESTIGATIVE SERVICE CONTRIBUTIONS TO THE OPSEC PROCESS SCOPE.

9 7-1 OVERVIEW .. 7-1 MULTIPLE THREAT ALERT CENTER .. 7-1 SUPPORT TO ASHORE INSTALLATIONS .. 7-2 SUPPORT TO AFLOAT COMMANDS .. 7-2 OTHER INTELLIGENCE COMMUNITY RESOURCES .. 7-2 UNCLASSIFIED NTTP 3-32B 9 SEP 2017 UNCLASSIFIED Page No.

10 CHAPTER 8 THE OPSEC PROGRAM MANAGER AND PUBLIC AFFAIRS OFFICER RELATIONSHIP OVERVIEW .. 8-1 OPSEC AND PUBLIC AFFAIRS: DIFFERENT ROLES .. 8-1 CONCLUSION .. 8-2 CHAPTER 9 OPSEC GUIDANCE FOR THE NAVY OMBUDSMAN AND MARINE CORPS FAMILY READINESS OFFICER SCOPE .. 9-1 OMBUDSMAN AND FAMILY READINESS OFFICER PROGRAMS .. 9-1 SOCIAL MEDIA .. 9-1 INFORMATION OBTAINED .. 9-2 MULTIPLE USES OF INFORMATION .. 9-3 SOCIAL MEDIA COUNTERMEASURES.