Tenable, Inc.

Not to be confused with Tenable.
Tenable, Inc.
Tenable Holdings, Inc.
FormerlyTenable Network Security, Inc.
Company typePublic company
Nasdaq: TENB
Russell 2000 Index component
IndustryCybersecurity
FoundedSeptember 16, 2002; 22 years ago (2002-09-16)
Founders
  • Ron Gula
  • Jack Huffard
  • Renaud Deraison
Headquarters
Columbia, Maryland
Key people
Amit Yoran (chairman & CEO)
Stephen A. Vintz (CFO)
ProductsNessus
RevenueIncrease $798 million (2023)
Increase -$78 million (2023)
Total assetsIncrease $1.606 billion (2023)
Total equityIncrease $346 million (2023)
OwnerAmit Yoran (2.9%)
Number of employees
1,999, including 898 employees outside the U.S.
Websitetenable.com
Footnotes / references
[1]
Nessus Vulnerability Scanner
Developer(s)Tenable, Inc.
Initial releaseApril 1998; 26 years ago (1998-04)
Stable release
8.15.8 / January 18, 2023 (2023-01-18)[2]
Operating systemLinux, macOS and Microsoft Windows
TypeVulnerability scanner
LicenseProprietary; GPL (2.2.11 and earlier)
Websitewww.tenable.com/products/nessus

Tenable, Inc. is a cybersecurity company based in Columbia, Maryland. Its vulnerability scanner software Nessus, developed in 1998, is one of the most widely deployed vulnerability assessment solutions in the cybersecurity industry.[1] As of December 31, 2023, the company had approximately 44,000 customers, including 65% of the Fortune 500.[1]

History

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Tenable was founded in September 2002 as Tenable Network Security, Inc. by Ron Gula, Jack Huffard, and Renaud Deraison.[3] In April 1998, at age 17, Deraison had created the Nessus vulnerability scanner software, which he folded into Tenable upon creation of the company. In 2002, Gula, who worked for the National Security Agency in the 1990s, sold a company he founded to Enterasys Networks and was looking to start another company. In 2004, Marcus J. Ranum was hired as chief security officer.[4] In October 2005, to generate income for the company and to stop empowering competition, Nessus became proprietary software, rather than open-source software via the GNU General Public License.[5][6] At that time, the software was forked; OpenVAS became the open-source software version of the program.

In September 2012, Tenable received $50 million in series A round funding from Accel Partners.[7][8] Also that month, the company entered into a partnership to provide cybersecurity services for the United States Intelligence Community, partnering with In-Q-Tel.[9] In 2015, Tenable received $250 million in a series B round led by Insight Partners.[10] In 2016, Gula resigned as CEO, becoming chairman.[11] Effective January 2017, Amit Yoran became CEO of the company[12] and later that year, the company was renamed Tenable, Inc.[1] In July 2018, the company became a public company via an initial public offering.[13]

In October 2022, the company launched Tenable One, an exposure management platform.[14] In January 2023, the company launched a venture capital division, with plans to invest up to $25 million.[15]

Acquisitions

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# Year Company Price Description of Assets
1 October 2016 FlawCheck Undisclosed Cybersecurity company[16]
2 December 2019 Indegy $78 million Israel-based operational technology company[17]
3 April 2021 Alsid $98 million Software for finding security issues in Active Directory deployments[18]
4 October 2021 Accurics $160 million cloud-native security for DevOps and security teams[19]
5 June 2022 Bit Discovery $45 million Attack surface management software startup[20]
6 October 2023 Ermetic $240 million in cash and $25 million in restricted stock and RSUs Israeli cloud-native application protection startup[21]
7 June 2024 Eureka Undisclosed Data security posture management[22][23]

References

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  1. ^ a b c d "Tenable, Inc. 2023 Form 10-K Annual Report". U.S. Securities and Exchange Commission. February 28, 2024.
  2. ^ "Nessus 2023 Release Notes". Tenable Network Security.
  3. ^ Medhora, Narottam; Finkle, Jim (June 9, 2016). "Cybersecurity software maker Tenable CEO steps down". Reuters.
  4. ^ "Comment: Taking the Ethical High Road". InfoSecurity. April 19, 2012.
  5. ^ LeMay, Renai (October 7, 2005). "Nessus security tool closes its source". CNET.
  6. ^ Bradley, Tony (July 2, 2013). "In Their Own Words: Tenable Network Security CEO Ron Gula". Forbes.
  7. ^ Li, Ping (July 26, 2018). "Tenable's IPO". Accel Partners.
  8. ^ Ha, Anthony (September 5, 2012). "Network Security Company Tenable Raises A $50M Series A From Accel". TechCrunch.
  9. ^ Heath, Thomas (September 23, 2012). "Tenable enters partnership with In-Q-Tel". The Washington Post.
  10. ^ Finkle, Jim (November 10, 2015). "Tenable raises $250 million in record cyber funding round". Reuters.
  11. ^ Medhora, Narottam; Finkle, Jim (June 9, 2016). "Cybersecurity software maker Tenable CEO steps down". Reuters.
  12. ^ Hoover, Mark (December 15, 2016). "Tenable taps Amit Yoran as new chairman, CEO". Washington Technology.
  13. ^ Fazzini, Kate (July 26, 2018). "Cybersecurity firm Tenable closes up 31%". CNBC.
  14. ^ Waldman, Arielle (October 4, 2022). "Tenable shifts focus, launches exposure management platform". TechTarget.
  15. ^ Hooke, Matt (February 17, 2023). "Tenable launches $25 million venture capital fund". American City Business Journals.
  16. ^ HARANAS, MARK (October 26, 2016). "Tenable Network Security Acquires FlawCheck To Boost Security In Docker Containers". CRN.
  17. ^ Eichensehr, Morgan (December 2, 2019). "Columbia's Tenable makes $78 million acquisition". American City Business Journals.
  18. ^ "Tenable Completes Acquisition of Alsid and Launches Tenable.ad to Secure Active Directory Environments" (Press release). GlobeNewswire. April 27, 2021.
  19. ^ "Tenable Completes Acquisition of Accurics" (Press release). GlobeNewswire. October 4, 2021.
  20. ^ "Tenable Completes Acquisition of Bit Discovery and Announces Tenable.asm for External Attack Surface Management" (Press release). GlobeNewswire. June 6, 2022.
  21. ^ "Tenable Completes Acquisition of Ermetic" (Press release). GlobeNewswire. October 2, 2023.
  22. ^ ALSPACH, KYLE (June 6, 2024). "Tenable To Acquire Cloud Data Security Startup Eureka". CRN.
  23. ^ "Tenable acquires Israeli cyber startup Eureka for tens of millions of dollars". ctech. 2024-06-06. Retrieved 2024-10-27.
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