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Ermetic

NASDAQ: TENBUnicorn exit · $2.1BAcquired

Columbia, US · Founded 2015 · 16 known investors

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Tenable builds an AI-powered exposure management platform that unifies security visibility across infrastructure, cloud, identity, OT, third-party applications, and AI to map an organization's attack surface and prioritize remediation. It serves security teams seeking to identify and close gaps between exposure and exploitation before they become breaches.

AI & Machine LearningCloud ComputingCybersecuritySaaS

Founders & leadership

Ermetic was founded in 2015 by RONALD J. GULA, Jack Huffard, and Renaud Deraison.

RJRONALD J. GULA
RONALD J. GULACo-founderRonald J. Gula is President of Gula Tech Adventures, a firm investing in cybersecurity startups, funds, and nonprofits since 2017. He co-founded and served as CEO of Tenable Network Security from 2002 to 2016, and earlier developed an early commercial network intrusion detection system called Dragon, worked as a penetration tester for the NSA, and deployed network honeypots for the Department of Defense.
JHJack Huffard
Jack HuffardFounderCo-founder & Director (former President and COO) at Ermetic Tenable
RDRenaud Deraison
Renaud DeraisonFounderRenaud Deraison is the co-founder and former Chief Technology Officer of Tenable (NASDAQ: TENB) and the original author of the Nessus vulnerability scanner. He is currently between projects.
DC
DAVID COLECHIEF PRODUCT OFFICER
GM
GLENN MICHAEL KIRBYSENIOR VICE PRESIDENT WORLDWIDE SALES
SVSteve Vintz
Steve VintzCo-Chief Executive OfficerCo-Chief Executive Officer at Ermetic Tenable
MTMark Thurmond
Mark ThurmondCo-Chief Executive OfficerCo-Chief Executive Officer at Ermetic Tenable
MBMatt Brown
Matt BrownChief Financial OfficerMatt Brown is CFO of Tenable, a publicly traded exposure management platform company. He previously served as CFO at Altair Engineering, where he oversaw its sale to Siemens, and held finance leadership roles at NortonLifeLock, Symantec, Blue Coat Systems, Netgear, and Brocade, with earlier experience at KPMG; he holds a CPA and BS in Business Administration from UC Berkeley's Haas School of Business.
DDDino DiMarino
Dino DiMarinoChief Revenue OfficerChief Revenue Officer at Ermetic Tenable
EDEric Doerr
Eric DoerrChief Product OfficerChief Product Officer at Ermetic Tenable
MOMeg O'Leary
Meg O'LearyChief Marketing Officer
RHRobert Huber
Robert HuberChief Security OfficerRobert Huber is Chief Security Officer and Head of Research at Tenable, where he leads security strategy for the exposure management platform serving over 40,000 customers. He brings more than 30 years of experience in cybersecurity and national security, including nearly 20 years with the U.S. Air Force's 166 Cyber Operations Squadron leading computer network operations for the Intelligence Community.

Investors · 16

10Dlisted by 10DTel Aviv

How we know: the VCSheet dataset · Not right? Tell us

Accellisted by AccelPalo Alto · $500K – $100M

How we know: the S-1 prospectus · board seat on SEC Form D · funding news · press coverage · open dataset · 5k.vc investor directory · Not right? Tell us

Axeleo Capitallisted by Axeleo CapitalLyon · $108K – $1.6M

How we know: Axeleo Capital's portfolio page · Not right? Tell us

Firebolt Ventures Management Company, Llclisted by Firebolt Ventures Management Company, LlcPalo Alto

How we know: Firebolt Ventures Management Company, Llc's portfolio page · Not right? Tell us

ForgePoint Capitallisted by ForgePoint CapitalSan Mateo · $5M – $50M

How we know: ForgePoint Capital's portfolio page · funding news · open dataset · 5k.vc investor directory · Not right? Tell us

Glilot Capital Partnerslisted by Glilot Capital PartnersHerzliya · $500K – $5M

How we know: Glilot Capital Partners's portfolio page · funding news · Not right? Tell us

Glynn Capital Managementlisted by Glynn Capital ManagementMenlo Park

How we know: Glynn Capital Management's portfolio page · Not right? Tell us

Gula Tech Adventureslisted by Gula Tech AdventuresFulton · $100K – $5Mvia Cyndi Gula · inferred
In-Q-Tellisted by In-Q-TelWashington · $100K – $2.5M

How we know: In-Q-Tel's portfolio page · Not right? Tell us

Norwest Venture Partnerslisted by Norwest Venture PartnersMenlo Park · $10M – $30M

How we know: funding news · open dataset · 5k.vc investor directory · Not right? Tell us

Qumra Capitallisted by Qumra CapitalTel Aviv · $15M – $30M

How we know: Qumra Capital's portfolio page · funding news · Not right? Tell us

State of Mind Ventureslisted by State of Mind VenturesTel Aviv

How we know: State of Mind Ventures's portfolio page · Not right? Tell us

Target Globallisted by Target GlobalBerlin

How we know: funding news · the VCSheet dataset · open dataset · 5k.vc investor directory · Not right? Tell us

YL Ventureslisted by YL VenturesSilicon Valley · $100K – $5M

How we know: YL Ventures's portfolio page · Not right? Tell us

Also in the syndicate · 1

Firetrail Investments PTY Ltd.

Funding

SEC filings, press & company announcements

$6.2M disclosed across 1 of 3 rounds · 2016–2026

▶$6.2MraisedSep 2016 · 8 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • DAVID COLEExecutive Officer
  • GLENN MICHAEL KIRBYExecutive Officer
  • RONALD J. GULADirector
  • PING LIDirector
  • JOHN LOCKEDirector
  • RENAUD DERAISONExecutive Officer
  • JOHN C. HUFFARDExecutive Officer, Director
  • STEPHEN VINTZExecutive Officer
  • MATTHEW GATTODirector
  • RICHARD WELLSDirector
Amount sold
$6.2M
First sale
May 2016
Incorporated
Corporation, Delaware, 2015
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Valuation · disclosed

Disclosed events
$2.1Bvaluation at IPOJul 2018 · $23.00/share · 424B4
filing ↗

Source: SEC prospectus filings, and round valuations the company or its investors disclosed — follow each entry's link for the claim.

Founder mafia

3 people who came through Ermetic went on to found or lead other companies.

Ron GulaDirectorFounded Gula Tech Adventures +1Kobi SambourskyBoard MemberFounded MitigaRenaud DeraisonFounderFounded Tenable Network Security

Related companies · 9

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CiscoCisco Systems designs and sells networking hardware, software, and services—including routers, switches, and cloud-based applications—to enterprise, service provider, and consumer markets globally.
CrowdStrikeCrowdStrike provides an AI-native cybersecurity platform that unifies endpoint, identity, cloud, SaaS, and AI protection to detect and stop breaches for enterprise organizations. It combines automated response with human-led security operations including managed detection and response, threat hunting, and security services.
SpiceworksSocial business network for IT that is transforming how $1 trillion worth of technology products and services is marketed and sold each year to small and mid-sized businesses worldwide.
Check Point SoftwareCheck Point Software Technologies is a cybersecurity company providing security products and solutions. This page is its investor relations section, containing annual reports, SEC filings, financial results, and corporate governance information.
Qualys Nasdaq QlysQualys provides a cloud-based platform for identifying, monitoring, and remediating information technology and cybersecurity vulnerabilities across on-premises, cloud, endpoint, and mobile environments. The company delivers its integrated suite of asset management, vulnerability detection, compliance, and security applications through a software-as-a-service model to over 10,000 customers worldwide, including a majority of the Forbes Global 100.
SplunkSplunk offers a unified platform for security and observability that ingests and analyzes large-scale data across hybrid cloud environments. Its tools support security operations centers with analytics and automated response, and help teams monitor application and infrastructure performance.
OracleOracle sells enterprise database software, applications and cloud infrastructure, and has grown through large acquisitions including PeopleSoft, Siebel and Sun Microsystems.

Companies working in the same space as Ermetic.

Acquisitions · 1

Early investors' stakes continue via these deals
Bit Discovery

Bit Discovery built a cloud-based attack surface management platform that continuously scanned and inventoried organizations' internet-facing assets to uncover unknown or forgotten systems and flag security risks.

In the news

Tenable to Report Q2 2026 Earnings July 29 | TENB Stock Newsstocktitan.net · Jul 2026Tenable folds application security into Tenable One exposure platform - SiliconANGLEsiliconangle.com · Jul 2026

Frequently asked questions

What does Ermetic do?
Tenable builds an AI-powered exposure management platform that unifies security visibility across infrastructure, cloud, identity, OT, third-party applications, and AI to map an organization's attack surface and prioritize remediation. It serves security teams seeking to identify and close gaps between exposure and exploitation before they become breaches.
Who founded Ermetic?
Ermetic was founded by RONALD J. GULA, Jack Huffard, Renaud Deraison in 2015.
Who are Ermetic's investors?
Ermetic's investors include Insight Partners, 10D, Accel, Axeleo Capital, Firebolt Ventures Management Company, Llc, ForgePoint Capital, Glilot Capital Partners, Glynn Capital Management and 7 more.
How much funding has Ermetic raised?
Ermetic has disclosed $6.2M raised across 1 of its 3 known rounds.
Where is Ermetic headquartered?
Ermetic is headquartered in Columbia, US.