Nessus Professional vs Expert: Plans, Limits and Pricing
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Tenable’s published Nessus comparison identifies Essentials, Essentials Plus and Professional, but it does not identify a product called Nessus Expert. For small and mid-size organizations, the practical choice in the sources we checked is whether a non-commercial Essentials option fits, or whether commercial vulnerability assessment requires Nessus Professional.
Which plan for which team#
Nessus Essentials suits short-term evaluations, proof-of-concept testing and very small home networks, while Essentials Plus is aimed at hobbyists, students and educators who want ongoing non-commercial use. Nessus Professional suits consultants, pentesters and security professionals conducting commercial, point-in-time vulnerability assessments, while a separate Nessus Expert plan is not published in the sources we checked.
Plan limits side by side#
The main dividing lines are commercial eligibility, scan scope, plugin update timing, reporting, and access to features such as compliance checks, data export and Live Results. Tenable’s current product page lists the following comparison:
| Area | Nessus Essentials | Nessus Essentials Plus | Nessus Professional | Source |
|---|---|---|---|---|
| Intended use | Non-commercial use only | Non-commercial use only | Commercial use | Tenable Nessus offerings |
| Vulnerability scanning | Up to 5 IPs | Up to 20 IPs | Unlimited IPs | Tenable Nessus offerings |
| Plugin updates | 30-day delay | Real-time | Real-time | Tenable Nessus offerings |
| Discovery and vulnerability templates | Listed | Listed | Listed | Tenable Nessus offerings |
| Compliance and configuration checks | Not listed | Not listed | Includes audit scan templates for cloud infrastructure, internal PCI network, offline configuration, policy compliance, SCAP and OVAL | Tenable Nessus offerings |
| Reporting | Not listed | Basic PDF and HTML | PDF, HTML and CSV | Tenable Nessus offerings |
| Data export | Not listed | Not listed | Listed | Tenable Nessus offerings |
| Live Results | Not listed | Not listed | Listed | Tenable Nessus offerings |
| Offline mode | Not listed | Not listed | Listed | Tenable Nessus offerings |
| Technical support | Not included | Not included | The page does not specify the level | Tenable Nessus offerings |
The Essentials and Essentials Plus limitations matter for organizations considering them for work. Tenable states that both are for personal, educational and non-commercial purposes only. It also says they do not support unlimited IPs for network scanning, compliance checks, content audits, data exports, Live Results, expanded report options or technical support.
The comparison page adds context about Nessus capabilities. It lists Live Results, vulnerability grouping, web application scanning, continuous subdomain discovery scanning, and 1,600-plus compliance and configuration templates for Nessus. The comparison page does not state that every item is available in every Nessus tier, so those capabilities should not be treated as Essentials or Essentials Plus entitlements. See Tenable’s comparison.
When to upgrade#
Upgrade from Essentials when the intended use becomes commercial, when five IPs are insufficient, or when the organization needs more than a 30-day delay for plugin updates. Essentials Plus extends the limit to 20 IPs and provides real-time plugin updates, but it remains non-commercial.
Nessus Professional is the relevant published option when a team needs unlimited IP scanning, commercial use, the listed compliance and configuration audit templates, PDF, HTML and CSV reporting, data export, Live Results, or offline mode. Tenable describes Professional as its commercial vulnerability assessment tool for consultants, pentesters and security professionals conducting point-in-time assessments.
The sources do not publish an intermediate “Expert” tier or a direct migration price from either Essentials option to Professional. A team comparing Professional with Expert should therefore confirm whether “Expert” refers to a separate product name, a sales description or another licensing arrangement before relying on that label.
Price difference#
The published prices are not presented as per-user rates. Nessus Essentials is listed as Free, Essentials Plus as $199/year, and Nessus Professional as $4,790. Tenable’s product page lists these prices. The sources we checked do not publish a Nessus Expert price, renewal term, or feature list.
These figures are not directly equivalent in use: Essentials and Essentials Plus are restricted to non-commercial purposes, while Professional is for commercial use. Essentials Plus is also described as a low annual cost option for hobbyists, with a 20-IP scan limit, real-time plugin updates, basic PDF and HTML reporting, and year-long data retention. Professional’s published page does not state a subscription period beside its listed price.
For the current commercial price, see Check Tenable Nessus pricing.
FAQ#
Is Nessus Expert an official plan?
A Nessus Expert plan is not published in the sources we checked. The published Nessus offerings are Essentials, Essentials Plus and Professional.
Can a business use Nessus Essentials?
No. Tenable describes Nessus Essentials and Essentials Plus as non-commercial products. Nessus Professional is identified as the commercial vulnerability assessment tool.
What is the IP limit for Nessus Essentials Plus?
Nessus Essentials Plus supports scans of up to 20 IPs. Nessus Essentials supports up to 5 IPs, while Nessus Professional is listed with unlimited IPs.
Does Nessus Professional include real-time plugin updates?
Yes. The published comparison lists real-time plugin updates for Nessus Professional. Essentials has a 30-day delay, while Essentials Plus also has real-time updates.
What is the published Nessus Professional price?
The product page lists Nessus Professional at $4,790. The source does not specify a subscription period beside that price.