What is Tenable?
Tenable was founded in 2002 by Renaud Deraison (creator of the Nessus vulnerability scanner), Ron Gula and Jack Huffard, and is headquartered in Columbia, Maryland. Its product line spans the Nessus scanner, Tenable Vulnerability Management, and the Tenable One exposure management platform, which adds cloud, identity and attack-surface context on top of vulnerability data. Tenable trades on Nasdaq under the ticker TENB.
Read the full overview
Official sources checked 27 September 2026: Tenable products, pricing and purchase options.
Key capabilities
- Scanning: Nessus and Tenable Vulnerability Management discover and assess vulnerabilities on in-scope assets.
- Prioritization: Threat-based scoring and search help sort remediation queues.
- Exposure management: Tenable One adds cloud, identity and attack-path context for organizations licensing that platform.
Vulnerability scanning, prioritization and broader exposure management (cloud, identity, attack surface) are distinct layers of the Tenable catalog, licensed separately.
Shortlist Tenable when the goal is finding and prioritizing vulnerabilities across a mixed estate, from a standalone Nessus scan to a broader exposure management program spanning cloud and identity. Confirm which product - Nessus, Tenable Vulnerability Management or Tenable One - matches the required scope before comparing licensing.
A useful evaluation traces one finding from scan to a named remediation owner and confirms the fix, rather than relying on dashboard breadth alone.
Technical details
- Access
- See vendor
- Source model
- Other license
- Founded
- 2002
- Headquarters
- Columbia, Maryland, USA
- Pricing model
- See vendor
- Starting price
- 4790 USD · verify current price ↗
- API
- Not specified
- Website
- www.tenable.com ↗
Official resources
What to verify for your environment
Start from the users, systems and operating responsibilities the tool needs to support.
- Confirm current features, licensing and support terms with the publisher.
- Validate deployment, data location, access control, backup and recovery requirements.
- Test integrations, export paths and a representative operational workflow before committing.
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