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Make sure every host on your network complies to your local security policy
SCADA Checks
Detect and Audit SCADA devices
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Obtain a fully supported environment to operate your Nessus Scanner
Commercial Support
Get commercial support for your Nessus 3 installations
Purchase Options
Purchase a ProfessionalFeed now and instantly get access to its benefits

Commercial organizations which use the Nessus vulnerability scanner must purchase a ProfessionalFeed subscription to obtain support, updates to their database of vulnerability checks and compliance auditing. Each ProfessionalFeed costs $1200 per year per Nessus scanner and can be purchased from Tenable's E-commerce site.

Tenable Charitable and Training Organization Subscription Programs

Tenable Network Security also offers Nessus subscriptions to charitable organizations and classrooms which perform instruction on vulnerability scanning at no cost. To learn more about qualifying for and how to apply for these programs, please read the following guides:

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This is the web site for the Nessus Vulnerability Scanner from Tenable Network Security. If you are looking for the probabilistic analysis software from Southwest Research Institute, please visit www.nessus.swri.org