[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 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.

[14] In January 2023, the company launched a venture capital division, with plans to invest up to $25 million.