FBI says Darkside hacking group responsible for pipeline cyberattack

“We continue to work with the company and our government partners on the investigation.”

It also took “certain systems offline to contain the threat.”

The shutdown increases alarm about cyberattacks on key infrastructure systems amid the use of ransomware in criminal activities.

The worldwideWannaCry ransomware attacksin 2017, for instance, locked upcomputer systems at hospitals, banks and phone companies.

And city governments in the US, including Baltimore’s, have beenhobbled by ransomware assaultsas well.

The US military has also reportedly aimed cyberattacks atRussia’s electrical gridandIran’s missile systems.

Colonial connects refineries in the Gulf Coast and elsewhere with customers in the Southern and Eastern United States.