The US Justice Department has recovered the majority of a multimillion-dollar ransom payment to hackers after a cyberattack that caused the operator of the nation’s largest fuel pipeline to halt its operations last month, officials said Monday.

The operation to recover the cryptocurrency from the Russia-based hacker group is the first undertaken by a specialized ransomware taskforce created by the Biden administration, and reflects what US officials say is an increasingly aggressive approach to deal with a ransomware threat that in the last month has targeted critical industries around the world.

“By going after an entire ecosystem that fuels ransomware and digital currency, we will continue to use all of our