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Tenable Nessus
by Tenable
API

How MSPs use it: run it yourself or resell it

About

The Global Gold Standard in Vulnerability Assessment. Built for the Modern Attack Surface. Take advantage of the industry's most trusted vulnerability assessment solution to assess the modern attack surface. Extend beyond your traditional IT assets -- fortify your web applications, gain visibility into your internet-connected attack surface and secure your cloud infrastructure.

AI & Automation

API

Tenable Nessus, as a component of the Tenable One platform, offers public API capabilities for integrations with third-party tools via the Open Connector and Open Partner Exchange Network.

Selling this to clients

MSPs both run this and sell it: you hold the console, the client pays for the seats or the service built on it.

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Updated Oct 11, 2026