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Coast Guard and FBI reportedly investigate suspected cyberattacks on two U.S.-bound oil tankers

Authorities boarded the tankers on Aug. 21 and Aug. 24. Officials reported no operational disruptions or danger to crews.

The short version

  • The Coast Guard and FBI are investigating suspected cyberattacks on two U.S.-bound oil tankers boarded on Aug. 21 and Aug. 24.[ABC News · CBS News]
  • Coast Guard Cyber Command chief Rear Adm. Amy Grable said investigators found malicious cyber activity during an assessment of one vessel’s systems.[CBS News]
  • Authorities reported no operational disruptions, crew danger or environmental impacts. The U.S. has not publicly attributed the suspected attacks to a specific actor.[CBS News · ABC News · CBS News]

Key facts

  • Coast Guard personnel and FBI agents boarded a Texas-bound oil tanker on Aug. 21 after determining its network may have been compromised.[CBS News]
  • Sources told ABC News that U.S. officials boarded a second tanker on Aug. 24 following a suspected cyberattack.[ABC News]
  • Rear Adm. Amy Grable said investigators found malicious cyber activity while assessing a vessel’s systems.[CBS News]
  • Authorities reported no operational disruptions, vessel instability, physical danger to crews or environmental impacts.[ABC News · CBS News]

What remains uncertain

  • Responsibility remains publicly unattributed; U.S. authorities have not identified a specific actor behind the suspected attacks.[CBS News · CBS News]

Sources

Outlet counts describe coverage, not independent confirmation. Reports may share a wire service or original source.