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 has amplified the power of open source Zeek with a suite of enterprise features that dramatically simplify enterprise deployments, so organizations can spend more time on threat hunting and less time on system administration. These include out-of-the-box enterprise integrations, distributed sensor management, and data tuning capabilities that can reduce the downstream SIEM costs by 30% or more compared to a typical open source deployment.

Corelight’s global customers include Fortune 500 companies, major government agencies, and large research universities.

Corelight Fleet Manager streamlines the deployment, configuration, and administration of Corelight Sensors across an organization from a single management dashboard with RBAC, customizable configuration templates, and sensor health and performance monitoring.

Corelight is backed by leading investors including General Catalyst, Insight Partners, Accel and others. The company $50M from a "Series C" financing on Oct 17, 2019. The latest round brings Corelight's total funding to $84M to date.



  • Year founded: 2014
  • Funding Info: $84M over 3 Rounds (Latest Funding Type: Series C)
  • Yearly Revenue: $5M-$10M (2018)
  • Employee Size: 51-200
  • Business Valuation: NA
  • City/Town: San Francisco
  • State: California
  • Country: United States
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