Unit 221B is a threat disruption company that provides actionable threat intelligence and cybersecurity solutions to enterprises, law enforcement, and government agencies. The company focuses on investigating threat actors and dismantling criminal ecosystems through its proprietary platform, eWitness, which is trusted by Fortune 500 companies and law enforcement agencies worldwide. Unit 221B specializes in tracking threat actors in English-speaking regions and supports high-stakes investigations and threat hunting for various types of cybercrime globally.