Nov 20, 2025 · Start and Setup Nessus Open Nessus and follow setup wizard to finish setting up Nessus

Find out more about Nessus - the trusted gold standard for vulnerability assessment, designed for modern attack surfaces - used by thousands of organizations.

Tenable Nessus Essentials allows you to monitor your personal home network with high-speed, in-depth vulnerability assessments and agentless security scanning.

Interested in learning how to use Nessus? Our on-demand course enables the student, pen tester, consultant and security practitioner, through a series of targeted videos, to develop the building …

Compliance & Audit Files Download all the audit files that are shipped with Nessus and Tenable Vulnerability Management in one zip file View Downloads

Explains how to download and install Tenable Nessus on supported operating systems, enabling secure IT vulnerability assessment and management.

Get your activation code and download Nessus, the industry-leading vulnerability assessment solution. Trusted by thousands of organizations.

Tenable Nessus Expert, built for the modern attack surface, provides the most comprehensive solution for assessing vulnerabilities in IT devices, internet-facing assets, and web applications.

To access a remotely installed Tenable Nessus instance, go to https://<remote IP address>:8834 (for example, https://111.49.7.180:8834). To access a locally installed Tenable Nessus instance, go to …

Follow the installation steps depending on your Tenable Nessus software and operating system, as described in Install Tenable Nessus. Perform the initial configuration steps.