Last week, the ransomware gang encrypted the network for the Colonial Pipeline, the largest fuel pipeline in the United States. DarkSide is operated as a Ransomware-as-a-Service, which consists of two groups of people. One group is the core operators and developers of the ransomware, and the other is its affiliates that are recruited to hack networks and deploy the ransomware.

For more details: https://www.bleepingcomputer.com/news/security/darkside-ransomware-will-now-vet-targets-after-pipeline-cyberattack/