Aug. 31, 2026

U.S. Coast Guard established the Office of Maritime Cybersecurity Policy

In order to proactively adapt to a rapidly changing world and ensure the continued safety and security of the Marine Transportation System against a continually-evolving threat landscape, the Coast Guard has established the Office of Maritime Cybersecurity Policy under the Assistant Commandant for Prevention Policy.

Aug. 27, 2026

Marine Safety Information Bulletin (MSIB) 04-26: Applicability of MTSA Cybersecurity Requirements to Inactive Vessels

MSIB 04-26 reinforces that MTSA cybersecurity requirements continue to apply to “Inactive” vessels that retain a valid Certificate of Inspection (COI) or Certificate of Compliance (COC), even during nonoperational periods.

July 22, 2026

33 Code of Federal Regulations, Part 101, Subpart F – Cybersecurity, information for regulated entities with existing waivers of certain requirements of 33 CFR Parts 104, 105, or 106

The Coast Guard Office of Maritime Cybersecurity Policy (CG-MCP) is providing clarification of requirements under 33 Code of Federal Regulations, Part 101, Subpart F – Cybersecurity, for those regulated U.S.-flagged vessels, facilities, and Outer Continental Shelf facilities that were previously granted waivers for certain security requirements under 33 CFR Parts 104, 105, or 106, due to a low physical security risk of a Transportation Security Incident.

June 16, 2026

Cyber Command Releases Fifth Annual Cyber Trends and Insights in the Marine Environment (CTIME) Report

The U.S. Coast Guard continues its commitment to securing critical systems in the Marine Transportation System (MTS) by collaborating with the maritime industry to share best practices and provide insights into evolving cyber risks. The full report contains insights and recommendations valuable for all Coast Guard units and organizations ranging from large, cyber-mature organizations to small businesses looking to build out their own cybersecurity programs.

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.