Black Hills Bentonite

Black Hills Bentonite was compromised in a ransomware attack attributed to nitrogen in November 2025. The organization, operating in the Manufacturing sector in United States, was added to the group's data leak site as part of an extortion campaign.

nitrogen operates as a financially motivated ransomware-as-a-service (RaaS) operation, exfiltrating sensitive data and threatening public disclosure to pressure victims into paying ransom demands.

An American company founded in 1947. It mines and processes sodium bentonite, a natural clay used in well drilling, metal casting, and pond and landfill sealing.