Colonial Pipeline One Year Later: What’s Changed?

This report analyzes the May 7, 2021 DarkSide ransomware compromise of Colonial Pipeline, covering how the attack unfolded, the group’s public response and disappearance, subsequent rebrands such as BlackMatter, law enforcement seizures of cryptocurrency, cybercriminal forum bans on ransomware, and broader changes in affiliate program vetting and underground activity—concluding that ransomware remains a persistent, high-impact threat despite operational disruptions to specific gangs.