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Welcome to Tenable CoreOS

Last updated: December 14, 2017

The Tenable Virtual Appliance is now known as Tenable CoreOS. The reason for this change is the implementation of a new base operating system. This new model streamlines and simplifies deployment by creating a build for each Tenable on-premises application. Tenable CoreOS is a deployment architecture that shortens time to first scan using a secure and stable platform.


  • Built upon CentOS 7 and hardened by targeting the CIS standards for RedHat 7 with SELinux Enabled.
  • Provides automatic install and updates via Tenable Public Repositories.
  • Consists of Tenable CoreOS and a Tenable Application. These are independent of one other. The following builds are currently available.
    • Tenable CoreOS + Web Application Scanning
    • Tenable CoreOS + Nessus
  • Root access is now enabled to Tenable CoreOS builds

See the following list for additional information about CIS standards adopted:

  • SELinux: SELinux is enabled by default on this image
  • CIS Benchmarks: Tenable has implemented the following parts of the CIS Level 1 Benchmark on the Tenable CoreOS:

Copyright 2017 Tenable, Inc. All rights reserved. Tenable Network Security, Nessus, SecurityCenter, SecurityCenter Continuous View and Log Correlation Engine are registered trademarks of Tenable, Inc.  Tenable,, Assure, and The Cyber Exposure Company are trademarks of Tenable, Inc.  All other products or services are trademarks of their respective owners.