Tenable Ranked Number 251 Fastest Growing Company in North America on Deloitte’s 2010 Technology Fast 500™

Attributes its 363% Percent Revenue Growth to its Unified Security Monitoring Approach to Cybersecurity 

October 20, 2010 – Columbia, MD – Tenable Network Security, Inc., the leader in Unified Security Monitoring™ and creator of the popular and award-winning Nessus® vulnerability scanner, today announced it ranked number 251 on Technology Fast 500™, Deloitte LLP’s ranking of the fastest growing technology, media, telecommunications, life sciences and clean technology companies in North America. Rankings are based on percentage of fiscal year revenue growth during the five year period from 2005-2009. Tenable’s revenue grew 363% during this period. Tenable also ranked the 15th fastest growing company by Deloitte in the Greater Washington area. 

Tenable’s CEO, Ron Gula, credits very strong customer acceptance of Tenable’s approach to continuous monitoring with the companies 363% percent revenue growth over the past five years. “Being recognized as one of the fastest growing companies in North America is an honor that we again share with our customers who from the beginning believed in our vision of one powerful system that unifies vulnerability management, SIEM/Log Management and compliance reporting,” said Ron Gula, CEO of Tenable. “Deloitte’s ranking of Tenable validates our efforts to change the way organizations monitor their IT security and achieve compliance worldwide.” 

“Tenable Network Security and the other 2010 Technology Fast 500™ winners forged ahead in a challenging economic environment to realize exceptional growth,” said Phil Asmundson, vice chairman and Deloitte’s U.S. technology, media and telecommunications leader. “Deloitte commends Tenable for this impressive accomplishment.” 

“Tenable has proved itself to be one of the fastest growing tech companies in North America, and we are proud to honor them as one of the 2010 Technology Fast 500™,” said Mark Jensen, managing partner, venture capital services, Deloitte & Touche LLP. 

Tenable Continues Strong Performance

Tenable previously ranked 290 as a Technology Fast 500™ award winner for 2009. Tenable also ranked the 25^th fastest growing company by Deloitte in the Greater Washington area for 2009. Also during the first half of 2010, Tenable’s products have earned multiple awards and accolades from various periodicals and industry trades. 

Tenable’s Social Responsibility and Contributions

In 2008, Tenable released two global programs that were focused on supporting charitable organizations and information security training organizations. Two years after releasing these programs, we are excited to report that over 200 charitable organizations and countless educational and training organizations world-wide are participating and benefitting from these programs and that the value of the services that Tenable has contributed to these efforts is approaching two million dollars.

For additional detail on the Technology Fast 500™ including selection and qualifying criteria, visit www.fast500.com 

As used in this document, “Deloitte” means Deloitte LLP. Please see www.deloitte.com/us/about for a detailed description of the legal structure of Deloitte LLP and its subsidiaries. 

PR Contact:
Susan Corbin
Tenable Network Security
410-872-0555
[email protected]