Corelight Valuation, Funding & Investors

Corelight is valued at $900M as of April 2024.

Last Corelight valuation

$900M

Series E · Apr 2024

Last Corelight funding round

$150M

Series E · Apr 2024

Cumulative funding Corelight raised

$309M

across 5 funding rounds

Key investors in Corelight

  • Accel
  • General Catalyst
  • Insight Partners
  • Cisco Investments
  • OUP (Osage University Partners)
  • Energy Impact Partners

Corelight Overview

About Corelight

Corelight is a San Francisco-headquartered cybersecurity company founded in 2013. It delivers network traffic analysis powered by Zeek, an open-source framework derived from Bro, enabling security teams to monitor traffic, detect threats, and investigate incidents in real time.


Founded

2013

HQ

United StatesSan Francisco, CA

Status

Privately held

Customer focus

B2B

Revenue model

Subscription

Valuation

$900M (Apr 2024)

Corelight Valuation

Corelight is currently valued at $900M, based on its Series E in April 2024.

The $150M round was led by Accel, with participation from Cisco Investments and CrowdStrike Falcon Fund.

Corelight valuation by funding round

Corelight valuation by funding round
DateStageValuation
Apr 2024Series E$900M

Corelight Funding History

Corelight has raised a total of $309M across 5 funding rounds.

Corelight's first fundraising round was a $9M Series A in July 2017. The most recent completed round was a $150M Series E in April 2024.

Corelight funding rounds

Corelight funding rounds
DateStageInvestorsRaisedValuationDeal Summary
Apr 2024Series EAccel (lead); Cisco Investments; CrowdStrike Falcon Fund$150M$900MCorelight, a San Francisco-based leader in open network detection and response (NDR), raised $150 million in its Series E funding round on April 30, 2024, led by Accel with participation from Cisco Investments and CrowdStrike Falcon Fund. The company transforms network and cloud activity into evidence for security teams to proactively hunt threats, accelerate incident response, gain network visibility, and create analytics. This follows previous rounds including $50 million Series C and $75 million Series D, bringing total funding to nearly $310 million. The new capital is earmarked to accelerate AI-driven security innovation, cloud-native capabilities, and data fusion partnerships with leading cybersecurity platforms to enhance SOC analyst and incident response tools. Corelight's technology is adopted by elite cybersecurity teams at CrowdStrike, Mandiant, and Black Hat NOC, positioning it as the industry's fastest-growing scaled NDR platform with over 40% YoY ARR growth and 300% YoY growth in AI and SaaS-driven NDR solutions. CEO Brian Dye emphasized the unbounded use cases for network data providing ground truth evidence of adversary activity, driving adoption in AI-driven security operations, cloud visibility, next-generation SIEM, and partnerships with CrowdStrike and Cisco. Investors highlighted Corelight's strong enterprise traction, battle-hardened open-source technology, and customer satisfaction. Accel's Arun Mathew noted its positioning to modernize legacy technologies and deepen global cybersecurity partnerships. Cisco Investments' Jennie Ho stressed visibility in hybrid multi-cloud environments for improved security posture. The funding underscores Corelight's open NDR strategy amid rapid growth in the cybersecurity sector.
Sep 2021Series DEnergy Impact Partners (lead)$75M-Corelight is an open-core network detection and response (NDR) platform provider that helps security teams detect and respond to threats by analyzing network traffic for evidence of malicious activity. The company was founded by the creators of Zeek, the widely-used open-source network security technology, and serves Fortune 500 companies, major government agencies, and large research universities globally. On September 2, 2021, Corelight announced a Series D funding round raising $75 million led by Energy Impact Partners, with participation from previous investors Accel, General Catalyst, Insight Partners, and Osage University Partners, as well as new investor H.I.G. Growth Partners and strategic investments from Capital One Ventures, CrowdStrike Falcon Fund, and Gaingels. As of the Series D announcement, Corelight had raised a total of $160 million across all funding rounds to date. The company stated it would use the new capital to accelerate global market presence and develop new data and cloud offerings.
Oct 2019Series CAccel (lead); Insight Partners (lead)$50M-Corelight, a provider of network traffic analysis (NTA) solutions for cybersecurity, raised $50 million in an additional Series C financing round on October 17, 2019, led by Insight Partners and Accel, its first capital investor. The funding brought the company's total capital raised to $84 million, including prior investments from General Catalyst, Osage University Partners, and Riverbed Technology co-founder Dr. Steve McCanne. Proceeds were earmarked for accelerating investments in product development, research, sales, and marketing to deliver new capabilities for network defense. Corelight's sensors are available in physical, virtual, or cloud-based form factors to suit various customer network environments and are deployed in production by some of the world's largest public and private sector organizations. The company leverages a data-first security approach powered by a global open-source community that contributes detections, parsers, and other capabilities. Corelight had more than doubled in size since its Series B round in September 2018, establishing itself as a foundational player in network security with strong traction among enterprise security teams. CEO Greg Bell highlighted the community's role in accelerating commercial progress and enhancing defender tools, while Accel partner John Locke praised Corelight's passionate user base and enterprise adoption. Subsequent rounds included a $75 million Series D in 2021 led by Energy Impact Partners, bringing total funding to $160 million, and a $150 million Series E in April 2024 led by Accel with Cisco Investments and CrowdStrike participation, focusing on AI-driven and cloud-native security innovations.
Sep 2018Series BGeneral Catalyst (lead)$25M-Corelight is a San Francisco-based cybersecurity company that provides network visibility and detection solutions. The company develops network sensors, both physical and virtual, that commercialize and simplify deployment of the open-source Bro (later called Zeek) project, which was originally developed at Lawrence Berkeley National Laboratory. Corelight's platform includes enterprise features such as an intuitive management UI, native NIC shunting, sensor health metrics, and automated data export integrations with tools like Splunk, Elastic, Kafka, and AWS S3. In September 2018, Corelight announced a Series B funding round of $25 million led by General Catalyst, with former VMware CTO Steve Herrod joining the company's board. CEO Greg Bell stated that the company had greatly expanded its product line and enjoyed significant commercial traction over the preceding year, with more organizations adopting Corelight for real-time network defense data. The capital was earmarked for acceleration of product development, research, sales, and marketing, as well as expansion of global sales infrastructure and strategic partner alliances. By October 2019, Corelight had raised a total of $84 million across multiple rounds, and the company continued to expand internationally with adoption by some of the world's largest organizations in both public and private sectors.
Jul 2017Series AAccel (lead); Steve McCanne; OUP (Osage University Partners)$9M-Corelight raised $9.2 million in Series A funding on July 18, 2017, led by Accel with participation from Osage University Partners and Riverbed Technology co-founder Steve McCanne. The company provides a network visibility solution for cybersecurity based on open-source Bro software, already used by six Fortune 100 companies and dozens of paying customers at the time. Funds were allocated to sales, marketing, and engineering to accelerate growth and develop new features for data analysis, threat hunting, and incident response.

Who has invested in Corelight?

8 investors have backed Corelight across its funding rounds, including Accel, General Catalyst, Insight Partners, Cisco Investments, OUP (Osage University Partners) and Energy Impact Partners.

Lead investors include Accel, Energy Impact Partners, Insight Partners and General Catalyst.


Corelight Investors

Investors in Corelight by funding rounds participated
InvestorHQRoundsRoleFirst check
AccelUnited StatesPalo Alto, CA3LeadJul 2017
General CatalystUnited StatesSan Francisco, CA1LeadSep 2018
Cisco InvestmentsUnited StatesUnited States1ParticipantApr 2024
CrowdStrike Falcon FundUnited StatesSan Francisco, CA1ParticipantApr 2024
Energy Impact PartnersUnited StatesNew York City, NY1LeadSep 2021
Insight PartnersUnited StatesNew York City, NY1LeadOct 2019

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Corelight Competitors

Corelight competitors include listed companies like Asiainfo Security, DPtech and Progress Software, and private ones like Solo.io, Nile and Aryaka Networks.

Public and private companies comparable to Corelight
CompanyHQStatusRevenueEBITDAValuationRevenue Multiple
Solo.ioUnited StatesUnited StatesPrivate--$1B-
Asiainfo SecurityChinaChinaPublicly listed$1.2B($11M)$781M1.1x
NileUnited StatesSan Jose, CAPrivate$8M-$775M96.9x
DPtechChinaChinaPublicly listed$182M$25M$1.4B4.9x
Aryaka NetworksUnited StatesCalifornia City, CAPrivate--$539M-
Progress SoftwareUnited StatesUnited StatesPublicly listed$978M$302M$1.7B2.9x

Corelight Public Comps

Corelight is still privately-owned, but its public comps include BeiJing Certificate, NSFOCUS, Yubico, Rapid7, Riskified, Sify Technologies, Asiainfo Security, Mitek Systems, N-able and CANCOM.

Last FYEV/RevenueEV/EBITDA
RevenueEBITDALast FYLTM2027ELast FYLTM2027E
BeiJing Certificate$125M($12M)6.7x-(70.9x)-
NSFOCUS$379M$37M2.6x2.4x26.1x25.6x
Yubico$226M$19M3.3x3.2x39.7x25.6x
Rapid7$860M$63M1.3x1.3x17.4x6.8x
Riskified$345M($31M)1.8x1.6x(20.3x)19.0x
Sify Technologies$468M$107M3.2x2.0x13.8x8.2x
Asiainfo Security$1.2B($11M)1.2x1.1x(126.2x)339.7x
Mitek Systems$180M$37M4.1x3.7x19.9x11.2x

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Common questions about Corelight

When was Corelight founded?Corelight was founded in 2013.
Where is Corelight headquartered?Corelight is headquartered in San Francisco, CA, United States.
Is Corelight publicly listed?No, Corelight is a private, VC-backed company.
What is Corelight's valuation?Corelight was last valued at $900M in its Series E in April 2024.
How much funding has Corelight raised?Corelight has raised $309M across 5 funding rounds.
What was Corelight's last funding round?Corelight's last funding round was a $150M Series E in April 2024, led by Accel.
Who are Corelight's investors?Corelight's investors include Accel, General Catalyst, Cisco Investments, CrowdStrike Falcon Fund, Energy Impact Partners, Insight Partners, Steve McCanne and OUP (Osage University Partners).
Which companies are comparable to Corelight?Companies comparable to Corelight include Solo.io, Asiainfo Security, Nile, DPtech, Aryaka Networks and Progress Software.

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