

Tenable One
By Tenable, Inc.
Tenable, founded in 2002, is a cybersecurity company headquartered in Columbia, Maryland. It specializes in exposure management solutions, offering a comprehensive suite of products designed to help organizations identify, assess, and mitigate cyber risks across their IT infrastructure, cloud environments, and operational technology.
Tenable was established by Ron Gula, Jack Huffard, and Renaud Deraison. Deraison had previously developed Nessus, a widely used vulnerability scanner, which became a cornerstone of Tenable's product offerings. The company has experienced significant growth, expanding its product portfolio and customer base over the years.
Tenable has raised substantial capital through various funding rounds:
In 2012, the company secured $50 million in Series A funding from Accel Partners.
In 2015, Tenable raised $250 million in a Series B round led by Insight Partners.
The company went public in July 2018, raising $250.7 million in its initial public offering.
As of July 2024, Tenable's market valuation was reported to be over $5 billion.
Tenable provides a range of cybersecurity solutions, including:
Nessus: A widely deployed vulnerability assessment tool.
Tenable.sc: An on-premises solution for vulnerability management.
Tenable.io: A cloud-based platform for vulnerability management.
Tenable.ad: A solution for securing Active Directory environments.
Tenable.ot: A platform for securing operational technology.
Tenable.asm: A tool for external attack surface management.
Tenable has expanded its product offerings through strategic acquisitions:
Indegy (2019): Acquired for $78 million, enhancing Tenable's capabilities in securing operational technology.
Alsid (2021): Acquired for $98 million, strengthening Tenable's Active Directory security solutions.
Accurics (2021): Acquired for $160 million, bolstering cloud-native security for DevOps teams.
Bit Discovery (2022): Acquired for $45 million, enhancing external attack surface management.
Ermetic (2023): Acquired for $240 million in cash and $25 million in restricted stock, focusing on cloud-native application protection.
Tenable continues to innovate, with recent developments including:
Tenable One: Launched in October 2022, this exposure management platform offers unified security visibility across the attack surface.
Tenable emphasizes a culture of innovation, collaboration, and customer-centricity. The company has been recognized as a Great Place to Work, reflecting its commitment to fostering a positive work environment.
Tenable serves over 44,000 organizations globally, including 65% of the Fortune 500. The company maintains an active user community, providing resources, support, and engagement opportunities for cybersecurity professionals.