Tenable, Inc.

Tenable Holdings, Inc.
Formerly Tenable Network Security, Inc.
Company typePublic
IndustryCybersecurity
FoundedSeptember 16, 2002 (2002-09-16)
Founders
  • Ron Gula
  • Jack Huffard
  • Renaud Deraison
Headquarters,
U.S.
Key people
ProductsNessus
Revenue $799 million (2023)
−$52 million (2023)
−$78 million (2023)
Total assets $1.61 billion (2023)
Total equity $346 million (2023)
OwnerAmit Yoran (2.9%)
Number of employees
1,999, (2023)
Websitetenable.com
Footnotes / references
Nessus Vulnerability Scanner
Developer(s)Tenable, Inc.
Initial releaseApril 1998 (1998-04)
Stable release
10.8.3 / September 11, 2024 (2024-09-11)
Operating systemLinux, macOS and Microsoft Windows
TypeVulnerability scanner
LicenseProprietary; GPL (2.2.11 and earlier)
Websitetenable.com/products/nessus

Tenable Holdings, 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. As of December 31, 2023, the company had approximately 44,000 customers, including 65% of the Fortune 500.