Renaud Deraison

Executive Summary

Career Timeline

Verified company milestones linked to this executive’s organization.

1. 1998 Development

   April 1998: A 17-year-old Renaud Deraison creates the Nessus vulnerability scanner as an open-source project.

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2. 2002 Company founded

   Tenable was founded in 2002 per the company profile source on file.

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3. 2002 Development

   September 16, 2002: Deraison, Ron Gula, and Jack Huffard found Tenable Network Security in Columbia, Maryland, commercializing Nessus.

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4. 2005 Development

   October 2005: Nessus becomes proprietary software; the codebase is forked into the open-source OpenVAS project.

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5. 2018 Development

   2018: Tenable completes its initial public offering on Nasdaq under ticker TENB, raising $250 million.

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6. 2022 Product

   October 2022: Tenable launches Tenable One, its unified exposure management platform.

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7. 2025 Acquisition

   August 2025: Tenable launches Tenable AI Exposure, following its acquisition of Apex Security, to protect AI-specific attack surfaces.

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8. 2026 Partnership

   May 20, 2026: Tenable announces a partnership with Anthropic at its EXPOSURE 2026 conference to power Claude-based workflows in Tenable Hexa AI.

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