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locationIran
confirmedlowIncidentFirst reported Sep 17, 2026

VL Prosperity: Coast Guard confirms cyberattack on oil tanker

The US Coast Guard confirmed evidence of malicious cyber activity aboard the oil tanker VL Prosperity, one of two tankers hit by cyberattacks. Coast Guard and FBI personnel boarded the vessels; the attack has not been attributed to Iran.

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Graham Cluley·Confirmed Incident
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US Coast Guard and FBI board oil tanker to investigate cyber attack

An oil tanker bound for Texas was boarded mid-voyage by the US Coast Guard and FBI last month, after its network may have been compromised by malicious hackers. According to the US Coast Guard, the supertanker was boarded after indications that the network "may have been compromised by a foreign actor." Read more in my article on the Hot for Security blog.

Data Breach Today·Confirmed Incident
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US Boarded 2 Oil Tankers to Investigate Cyberattacks

Foreign Tankers Were Bound for Texas When Networks Were Compromised The Coast Guard and FBI boarded two foreign oil tankers bound toward Texas after signs their networks were compromised, inspecting IT and operational systems as authorities examined possible links to the broader U.S.-Iran conflict. "There are no reports of operational disruptions," the FBI said.

BankInfoSecurity.com·Confirmed Incident
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US Boarded 2 Oil Tankers to Investigate Cyberattacks

Foreign Tankers Were Bound for Texas When Networks Were Compromised The Coast Guard and FBI boarded two foreign oil tankers bound toward Texas after signs their networks were compromised, inspecting IT and operational systems as authorities examined possible links to the broader U.S.-Iran conflict. "There are no reports of operational disruptions," the FBI said.

VL Prosperity: Coast Guard confirms cyberattack on oil tanker · BreachFeed