Coast Guard, FBI boarded Texas-bound commercial oil tanker to investigate cyberattack

Updated on: September 15, 2026 / 11:05 PM EDT / CBS News

Coast Guard personnel and FBI agents boarded a Texas-bound commercial oil tanker last month before it could arrive at a port after determining the ship's network may have been compromised by a foreign actor as it was crossing the Atlantic, the Coast Guard said Tuesday.

On Aug. 21, a specialized team of Coast Guard law-enforcement personnel, a vessel inspector, Coast Guard Cyber Protection Team members and FBI Cyber Action Team operators boarded an inbound foreign-flagged commercial vessel, the Coast Guard said. The team examined both the vessel's operational technology and information-technology systems, working with the crew and the ship's corporate operators to oust the threat.

"Currently, there are no reports of operational disruptions, vessel instability, physical danger to crews, or environmental impacts," the Coast Guard said Tuesday.

The U.S. has so far not attributed the potential breach to a specific actor, but Iranian state media amplified the story in the weeks following the breach.

The Coast Guard did not identify the ship, but the vessel named in Iranian reports appears to be the VL Prosperity, a 333-meter Liberian-flagged very large crude carrier capable of carrying roughly 2.3 million…

Original source: https://www.cbsnews.com/entertainment/