In the quiet crossing of the Atlantic, a vessel carrying millions of barrels of crude oil became something more than a tanker — it became a question about the nature of modern warfare and the invisible borders of national security. On August 21, U.S. Coast Guard and FBI cyber teams boarded the VL Prosperity after its network was compromised weeks earlier near Egypt, racing to contain a breach before the ship reached Galveston. No cargo spilled, no crew was harmed, and no actor has been named — yet the incident surfaces a deeper unease about what it means to secure infrastructure that floats be