Tenable

Vulnerability and exposure management platform covering IT, cloud, identity, and operational technology assets.

Tenable, the company behind the Nessus scanner, assesses vulnerabilities across IT infrastructure, cloud, identity systems, and operational technology. Its exposure management platform consolidates findings from all of these and ranks them by likely attack impact. Founded in 2002 and publicly traded, it is a staple of enterprise vulnerability management programs.

Category: Exposure Management & CTEM
Founded: 2002
Funding: Public company
Website: https://www.tenable.com

Seen at Black Hat USA 2026 (Diamond sponsor, booth 2639).

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