Corelight is the most powerful network visibility solution for information security professionals.

Corelight provides real-time data that organizations use to understand, detect, and prevent cyber attacks.

Corelight was founded in 2013 by Robin Sommer, Seth Hall, & Vern Paxson. The company is headquartered in San Francisco, California, with an office in orthington, Ohio.


Corelight makes powerful network traffic analysis (NTA) solutions that transform network traffic into rich logs, extracted files, and security insights for more effective incident response, threat hunting, and forensics.


Corelight Sensors run on Zeek (formerly called “Bro”), the open-source NSM tool used by thousands of organizations. Corelight Sensors simplify Zeek deployment and expand its performance and capabilities.


Corelight is the fastest growing NDR platform, serving defenders in some of the world's largest financial institutions, retail and healthcare organizations, critical infrastructure providers and government agencies.


Corelight is backed by Accel, General Catalyst, Insight Partners, Energy Impact Partners, Osage University Partners, H.I.G. Growth Partners, Capital One Ventures, CrowdStrike Falcon Fund, and others. The company raised $75M in Series D round on Sep 02, 2021. This brings Corelight's total funding to $159.2M to date.



  • Year founded: 2014
  • Funding Info: $159.2M over 4 Rounds (Latest Funding Type: Series D)
  • Yearly Revenue: NA
  • Employee Size: 51-200
  • Business Valuation: NA
  • City/Town: San Francisco
  • State: California
  • Country: United States
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