FBI and Coast Guard Intercept Potentially Compromised Oil Tankers Near U.S. Waters

The Federal Bureau of Investigation and the U.S. Coast Guard boarded two oil tankers en route to American ports after intelligence indicated the vessels' computer networks may have been breached.

According to officials, investigators are probing a cyber intrusion that appears to have reached deep enough into at least one ship's control systems to affect its navigation and propulsion. While the precise method of entry has not been disclosed, the incident underscores growing concerns about the vulnerability of maritime infrastructure to sophisticated hacking campaigns.

The two tankers, both flagged under foreign registries, were intercepted in the Atlantic shortly before entering U.S. territorial waters. Coast Guard personnel conducted a thorough inspection, securing the vessels and preserving electronic evidence for forensic analysis. The FBI’s cyber division is leading the inquiry, working alongside maritime authorities and the ship owners to determine the scope of the breach.

Cybersecurity experts note that modern tankers rely heavily on integrated networks to manage everything from engine performance to cargo monitoring. A successful intrusion can therefore have operational ramifications, ranging from minor system glitches to loss of steering control. In the case observed by officials, the attackers reportedly manipulated the navigation suite, prompting the vessel to deviate from its planned course before the crew restored manual control.

The incident arrives at a time when regulators and industry groups are intensifying efforts to harden the maritime supply chain against digital threats. The International Maritime Organization has issued guidance on mandatory cyber risk assessments, and the U.S. Department of Homeland Security has increased funding for the Maritime Cybersecurity Program. Nevertheless, the complexity of shipboard networks and the global nature of shipping make comprehensive protection a persistent challenge.

Authorities have not released details about any cargo loss or environmental impact, and there is no indication that the tankers suffered physical damage. The ongoing investigation will seek to identify the perpetrators, assess whether the breach was part of a broader campaign, and recommend steps to prevent future incidents. As the FBI and Coast Guard continue their joint operation, the episode serves as a reminder that cyber threats are now an integral concern for national security and commercial maritime operations alike.