Threat Spotlight: Inside the World’s Fastest Rising Ransomware Operator — BlackLock

Key Findings

First observed in March 2024, “BlackLock” (aka El Dorado or Eldorado) has rapidly emerged as a major player in the ransomware-as-a-service (RaaS) ecosystem. By Q4 2024, it ranked as the 7th most prolific ransomware group on data-leak sites, fueled by a staggering 1,425% increase in activity from Q3. BlackLock uses a double extortion tactic—encrypting data while stealing sensitive information—to pressure victims with the threat of public exposure. Its ransomware is built to ta…