All Hands-on Deck: The USCG Just Made Cybersecurity Non-Negotiable

This report outlines the U.S. Coast Guard’s increased Port State Control inspections and MTSA-driven maritime cybersecurity requirements, summarizes notable maritime cyber incidents (NotPetya-class ransomware impacting Maersk, GPS/GNSS spoofing causing vessel grounding, and supply-chain/USB-borne RAT intrusions), describes the Cybersecurity Officer role and required baseline controls, and recommends a crawl/walk/run implementation approach while warning that compliance alone is insufficient against nation-state and insider threats.