June 4, 2026

U.S. Coast Guard releases additional policy and guidance in support of 33 Code of Federal Regulations, Part 101, Subpart F – Cybersecurity.

The Coast Guard Office of Maritime Cybersecurity Policy (CG-MCP) has released additional policy and guidance documents to support compliance with new Cybersecurity in the Marine Transportation System regulations found in 33 CFR Part 101, Subpart F. These include CG-5PC Policy Letter 01-26, Cybersecurity Assessment Initial Scoping and Process; CG-MCP Work Instruction 002, Waiver and Equivalency Guidance for Requirements of 33 CFR Part 101, Subpart F – Cybersecurity; and, CG-MCP Work Instruction 003, DoD SAFE Instructions for Cybersecurity Plan, Cybersecurity Assessment, Waiver & Equivalency Request Submissions.

Jan. 26, 2026

U.S. Coast Guard releases Cybersecurity Training Verification Job Aid

The U.S. Coast Guard’s Office of Maritime Cybersecurity Policy released a new guide, Work Instruction 001- Cybersecurity Training Verification Job Aid, to provide a clear and standardized framework for Coast Guard Vessel and Facility inspectors.

Nov. 26, 2025

Publication of Cybersecurity Training and Incident Reporting Guidance and Policy Documents: Policy Letter 01-25 and Navigation and Vessel Inspection Circular (NVIC) 02-24, Change (CH) 1

The Coast Guard recently released CG-5PC Policy Letter 01-25, Cybersecurity for Personnel with Access to Information Technology (IT) or Operational Technology (OT) Systems, on October 10, 2025. This policy supports recent Cybersecurity in the Marine Transportation System regulations, specifically requirements stated under 33 Code of Federal Regulations (CFR) 101.650(d).

July 22, 2025

Final Rule: Cybersecurity in the Marine Transportation System- Frequently Asked Questions

On January 17, 2025, the Coast Guard published a final rule, Cybersecurity in the Marine Transportation System (MTS), in the Federal Register (90 FR 6298).

July 16, 2025

Final Rule: Cybersecurity in the Marine Transportation System – Implementation Timeline

The Coast Guard is implementing the final rule’s timeline as published in the final rule published in the Federal Register. The Coast Guard will also exercise its Captain of the Port authority to ensure cybersecurity requirements on foreign flag vessels entering United States ports are being met.