OverviewSuggest Edit

Corelight develops a network visibility solution for information security professionals. The Corelight Sensor appliance is built on Bro, the powerful and widely-used open source framework that provides real-time understanding of all the traffic on a network to detect and stop cyber attacks.

HQSanta Clara, CA, US

Latest Updates

Employees (est.) (May 2021)167(+8%)
Job Openings20
Cybersecurity ratingBMore

Key People/Management at Corelight

Penny Defrank

Penny Defrank

VP People
Seth Hall

Seth Hall

Co-Founder & Chief Evangelist
Russ Keefe

Russ Keefe

VP Finance
Brian Dye

Brian Dye

CEO and Director
Vern Paxson

Vern Paxson

Co-Founder & Chief Scientist
Gareth Green

Gareth Green

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Corelight Office Locations

Corelight has offices in Santa Clara, Columbus and San Francisco
Santa Clara, CA, US (HQ)
2880 Lakeside Dr #130
Columbus, OH, US
150 E Campus View Blvd #220
San Francisco, CA, US
22 4th St #6, San Francisco
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Corelight Financials and Metrics

Summary Metrics

Founding Date


Corelight total Funding

$84.2 m

Corelight latest funding size

$50 m

Time since last funding

2 years ago

Corelight investors

Corelight's latest funding round in October 2019 was reported to be $50 m. In total, Corelight has raised $84.2 m
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Corelight Cybersecurity Score

Cybersecurity ratingPremium dataset



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Corelight Online and Social Media Presence

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Corelight News and Updates

Corelight raises $50 million to monitor networks for intruders

Corelight, a startup developing cybersecurity solutions atop the open source Zeek project, has raised $50 million in venture capital.

Garland Technology and Corelight Announce Technology Partnership

NEW YORK, Oct. 16, 2018 /PRNewswire/ -- Garland Technology, a leading provider of network and test access solutions, today announced a technology partnership with Corelight, provider of the most powerful network visibility solution for cybersecurity. "Combining Corelight's network...

Corelight Blogs

Tracking down a glibc regression

By Justin Azoff, Senior Staff Engineer, Corelight We’d just upgraded our glibc package from 2.32 to 2.33, when we noticed some peculiar behavior. Glibc 2.32 had a number of minor security issues and needed to be patched or upgraded. Instead of back-porting the patches to 2.32 we decided to upgrade d…

CrowdStrike + Corelight partner to reach new heights

By Lana Knop, Chief Product Officer, Corelight Through our newly announced partnership with CrowdStrike, Corelight customers will be able to incorporate CrowdStrike’s best-in-class threat intelligence into Corelight Sensors to generate actionable alerts and network evidence. In addition, by connecti…

Detect C2 ‘RedXOR’ with state-based functionality

By Ben Reardon, Corelight Security Researcher Recently a very interesting Linux-based command-and-control (C2) malware was described by the research team at Intezer. As usual there is a set of simple network-based IOCs in the form of domains and IPs that organizations can search against their Zeek d…

Extending NDR visibility in AWS IaaS

By Vijit Nair, Sr. Director, Product Management, Corelight Comprehensive visibility is challenging in a cloud environment. While these environments are rich sources of telemetry and logs, it is challenging for security teams to ensure that logging is configured (and stays configured) on every servic…

Maximize your Splunk ES investment with Corelight

By Roger Cheeks, US-East Sales Engineer, Corelight Are you looking to threat hunt but lack sufficient network and IDS data? Have you tried to accelerate your incident response process with better data, but run into dead ends that require data scientists or significant data model modification? Maybe …

Translating query into action

By Vince Stoffer, Senior Director, Product Management, Corelight One of the most important aspects of threat hunting is having a place to start. A question, a theory, or a hunch often begins the hunt. Where you end up may not be where you first intended, but a good hunt will always reveal new inform…
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Corelight Frequently Asked Questions

  • When was Corelight founded?

    Corelight was founded in 2013.

  • Who are Corelight key executives?

    Corelight's key executives are Penny Defrank, Seth Hall and Russ Keefe.

  • How many employees does Corelight have?

    Corelight has 167 employees.

  • Who are Corelight competitors?

    Competitors of Corelight include ExtraHop Networks, BlueVoyant and GFI Software.

  • Where is Corelight headquarters?

    Corelight headquarters is located at 2880 Lakeside Dr #130, Santa Clara.

  • Where are Corelight offices?

    Corelight has offices in Santa Clara, Columbus and San Francisco.

  • How many offices does Corelight have?

    Corelight has 3 offices.