Tenable Review (2026)Nessus Pro Is $4,790 a Year
By Daan Haket · Researched and written with an AI assistant · who does what
Note on how we link this one, updated 28 Jul 2026: between 21 and 28 July our partner link was dead: Tenable's shop subdomain stopped resolving, so we pointed the link at Tenable's own product page and earned nothing from it.
- Best for Security teams that can act on scan findings
From $4,790 · per year · read 2026-10-04
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Is Tenable right for you?
Your pain“We can't tell which weaknesses on our network are real, and which come first.”
Does Tenable solve it?YesBuyer reports (G2, PeerSpot, August 2026): security teams rate the accuracy and depth of its findings, 4.5 on G2 across 300 reviews.
Your planNessus Professional, $4,790 a year, the entry licence for commercial use
Try Tenable →
Your pain“I'm learning vulnerability scanning and need a legitimate tool for a small lab.”
Does Tenable solve it?PartlyPricing page, read 4 October 2026: the free Essentials licence lasts 30 days and covers 5 IPs, for non-commercial use only.
Your planEssentials, free; Essentials Plus at $199 a year for 20 IPs
Try Tenable →
- you have no one to triage and fix findings: a managed security service or a lighter scanner fits a small team better.
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Which Tenable plan do you need?
3 plans, 3 questions, no signup.
Answer three quick questions to see your plan.
Your plan
Nessus Essentials
Free
30-day licence, 5 IPs, non-commercial only
Your plan
Essentials Plus
$199/year
20 IPs, real-time updates, basic PDF/HTML reports, non-commercial
Your plan
Nessus Professional
$4,790/year, $9,330.95 for two years, $13,637.54 for three
Commercial licence, unlimited IPs, compliance checks
Prices as we read them on 2026-10-04; check the checkout before you pay. The plan button is an affiliate link: we may earn a commission, at no extra cost to you.
Pricing (2026)
✓ Pricing re-verified 4 Oct 2026
| Plan | Price | What you get |
|---|---|---|
| Nessus Essentials | free | 30-day licence, 5 IPs, non-commercial, plugin updates delayed 30 days, no reporting/export/compliance/support |
| Essentials Plus | $199/year | 20 IPs, real-time plugin updates, basic PDF/HTML reporting, non-commercial, free for students/instructors |
| Nessus Professional | $4,790/year, $9,330.95 for two years, $13,637.54 for three | first tier licensed for commercial use |
| Nessus Expert | $6,790/year, $13,208.13 for two, $19,304.19 for three | |
| Tenable Vulnerability Management | $3,500/year for 100 assets ($6,825 for two years, $9,975 for three); $3,700/year for up to 250 assets | |
| Web App Scanning | $6,790/year, or $3,578 for 5 FQDNs |
Summarised from the pricing notes below; the notes carry the conditions.
Nessus Essentials is free, a 30-day licence for 5 IPs, non-commercial only, with plugin updates delayed 30 days and no reporting, data export, compliance checks or support. Essentials Plus $199/year: 20 IPs, real-time plugin updates, basic PDF/HTML reporting, still non-commercial, free for verified students and instructors. Nessus Professional $4,790/year, $9,330.95 for two years, $13,637.54 for three, the first tier licensed for commercial use.
Nessus Expert $6,790/year, $13,208.13 for two, $19,304.19 for three. Advanced Support (24x365 phone, email, community and chat) is a $400/year add-on on both. Training: $275 for a year of the Nessus Fundamentals course for one person, $385 with Nessus Advanced added. Cloud Tenable Vulnerability Management $3,500/year for 100 assets ($6,825 for two years, $9,975 for three); $3,700/year buys up to 250 assets online.
Web App Scanning $6,790/year, or $3,578 for 5 FQDNs. Anything larger is a quote. Plans change, so check the live price on their site before you buy.
Category context: IT & Productivity. Across the 43 tools in this category that we researched with a public US-dollar price, the median entry price is $15 a month (lowest paid plan as listed, per seat where the vendor prices per seat). Compare pricing conditions in the Software Cost Atlas →
Correction after re-checking: Re-checked 30 August 2026 against tenable.com/buy and the Nessus Essentials comparison table. Nothing had moved: Essentials free for 30 days and 5 IPs with a 30-day plugin delay, Essentials Plus $199/year for 20 IPs, Professional $4,790 with $9,330.95 and $13,637.54 for two and three years, Advanced Support $400. Tenable still states that it does not retain your scan data when an Essentials licence expires. What we can now add: Nessus Expert's multi-year rates ($13,208.13 and $19,304.19), the on-demand training add-ons ($275, or $385 with Nessus Advanced), and a second cloud entry point, $3,500 a year covers 100 assets, $3,700 covers up to 250. Prices read in dollars without a region switch.
SAVE10, 10% off, confirmed in writing by Tenable on 5 Aug 2026 as an evergreen offer with no end date; the code Tenable10 works as well. It does not change which tier you need, commercial use and compliance checks start at Nessus ProfessionalVendor-confirmed: Confirmed in writing by Tenable, 5 Aug 2026. Not tested by us at a checkout. Claim the deal →
What the price did
We read Tenable’s own pricing page on a schedule and keep every reading, so this is our record of the page. It is not a forecast, and not someone else’s summary. A change appears here only after we confirmed the new price on the page itself.
Unchanged. Every price on Tenable’s pricing page was identical across our 20 reads from 23 Jul 2026 to 10 Nov 2026 (110 days).
Three dated readings, no movement. On 30 August, 16 September and 4 October 2026 tenable.com/buy showed Nessus Professional at $4,790 a year ($9,330.95 for two, $13,637.54 for three), Nessus Expert at $6,790, Vulnerability Management at $3,500 for 100 assets or $3,700 for up to 250, Web App Scanning at $3,578 for 5 FQDNs and Advanced Support at $400; Essentials Plus stayed at $199 a year.
The honest knock
Tenable confirmed on 28 July that the links are repaired; we re-tested them that day and the link now works again, lands on the same Nessus product page, and does pay us a commission. This is serious, enterprise-grade security tooling with an enterprise price and a learning curve, not a set-and-forget scanner. You need someone who can act on the findings, or you're paying for reports nobody reads.
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What Tenable does
Exposure and vulnerability management (makers of Nessus): scan, prioritize and remediate security weaknesses across IT, cloud and OT, for security teams of any size.
What buyers report about Tenable
Hands-on: not tested by usReported by buyers: G2 and PeerSpot, read August 2026
Themes from the buyer-review sites listed at the foot of this page, read in August 2026. We have not run Tenable ourselves, so this is other buyers' experience rather than ours. We summarise it here because the complaints are usually the part a vendor page leaves out.
- • Accuracy and depth of vulnerability identification is what security teams rate: 4.5 on G2 across 300 reviews, 8.4 out of 10 on PeerSpot.
- • Easier to run than its depth suggests, and the detail in the findings is what reviewers act on.
- • Cost is the dominant complaint. Reviewers in August 2026 quoted a one-year Nessus Professional licence well below today's list price (see the pricing section above), and said maintaining it is what limits who can use it.
- • Reporting is the weak spot, particularly at larger organisations: expect to build your own layer on top for board-level output.
When the paid plan is worth it
Nessus Essentials is free, but read the license before you plan around it: a 30-day license, 5 IPs, strictly non-commercial use, plugin updates delayed 30 days, and no reporting, data export, compliance checks or technical support. When it expires Tenable does not retain your scan data, so you re-download the free version and start over, or pay. Essentials Plus at $199/year adds 20 IPs, real-time plugin updates, basic PDF/HTML reporting and year-long data retention, still non-commercial, and free for verified students and instructors.
Professional at $4,790/year is the first tier licensed for commercial use: unlimited IPs, more than 450 pre-configured templates, and compliance and configuration checks with audit templates for internal PCI network, policy compliance, SCAP and OVAL. Two- and three-year terms cost $9,330.95 and $13,637.54. Budget support separately: 24x365 phone, email, community and chat is a $400/year add-on. Tenable positions Professional for point-in-time assessments, not continuous monitoring.
How to actually use Tenable
Tenable's documentation lays out five steps: Prepare, Install and Configure Tenable Nessus, Create and Configure Scans, View and Analyze Scan Results, and Refine Tenable Nessus Settings. You need an activation code, then you run a host discovery scan to identify assets and build a first scan from a Tenable-provided template. That first unauthenticated scan is surface-level; the work is in credentialed scanning. One person's published Windows lab walkthrough, run against a local Windows 10 virtual machine, needed a string of changes first.
Set the Remote Registry service to start automatically, turn on network discovery and file/printer sharing, and add a registry key so the remote account could connect. Then disable the domain, private and public firewall profiles and reboot: after which the same host showed significantly more vulnerabilities. Those last steps strip a machine's defences and belong on an isolated test host only; do not copy them onto a production system. Note which tier you start on: compliance checks are Professional-only, so an Essentials or Essentials Plus install covers vulnerability scanning alone.
Distilled from Tenable's official Nessus getting-started documentation and one person's published GitHub Windows credentialed-scanning lab walkthrough; tenable.com/buy and the Nessus Essentials page re-read 4 October 2026 (served HTML): every price unchanged, Essentials still a 30-day non-commercial licence for 5 IPs with scan data not retained at expiry. Nessus FAQ (tenable.com/products/nessus/nessus-faq) read 22 October 2026 for support terms: response objectives are separate from resolution, and resolution times are not guaranteed.
The natural comparison is Qualys or Rapid7: the other enterprise vulnerability-management platforms.
Frequently asked questions
What does Tenable Vulnerability Management cost?
$3,500 for a year covering 100 assets, with two- and three-year terms at $6,825 and $9,975. A second online entry point buys up to 250 assets for $3,700 a year: the page's own structured data labels that offer “Tenable One Vulnerability Management (1-Year, up to 250 assets)”. Past 250 assets you are into a quote and a sales conversation rather than a checkout, and the same is true of Tenable Security Center and the wider Tenable One exposure products. Read on tenable.com/buy on 16 September and again on 4 October 2026, in dollars without a region switch; nothing has moved since 30 August 2026.
Is that the same thing as Nessus?
No, and the mix-up costs money in both directions. Nessus is the scanner, licensed per installation: Nessus Professional is $4,790 a year ($9,330.95 for two, $13,637.54 for three) and Nessus Expert $6,790 ($13,208.13 and $19,304.19), with 24x365 phone, email, community and chat support a separate $400-a-year add-on. Vulnerability Management is the cloud subscription, priced per asset. Tenable positions Professional for point-in-time assessment rather than continuous monitoring, so the two answer different questions. Note what that does to the price comparison at small scale: at 100 assets the continuous cloud product ($3,500) costs less than the point-in-time scanner ($4,790). Read 16 September and 4 October 2026 on tenable.com/buy.
Can I use the free Nessus Essentials at work?
No. Read on 16 September and again on 4 October 2026 on Tenable's Nessus Essentials page, which calls it a 30-day free licence for up to 5 IPs and says it is “strictly for non-commercial use and is not engineered for enterprise or production environments”, suited to short evaluations, proof-of-concept testing or a very small home network. Essentials Plus is the step up for hobbyists: real-time plugin updates, a 20-IP scan limit, basic PDF/HTML reporting and year-long data retention, and is still non-commercial, though verified students and instructors can get it free for a year through the Nessus for Education programme. The first tier licensed for commercial use is Nessus Professional, at $4,790 a year.
Does paid Nessus support guarantee how fast a problem gets fixed?
No. Tenable's Nessus FAQ separates response objectives from resolution and states plainly: “There are no guarantees about resolution times” (tenable.com/products/nessus/nessus-faq, read 22 October 2026). That applies to what the $400-a-year Advanced Support add-on buys as well: more channels (24x365 phone, email, community and chat), not a deadline for a fix. If an audit or contract requires a guaranteed resolution time, that is not something the listed Nessus support offers; ask Tenable sales in writing before you buy.
Is this a hands-on review of Tenable?
This is a researched assessment, not a hands-on test. Where we've used a tool ourselves, we say so explicitly. We name what each tool is good and bad at, and we earn a commission only if you sign up, at no cost to you.
- Buyer reviews on G2 and PeerSpot, read August 2026.
- Read 2026-08-30 and re-read unchanged on 2026-10-04 on tenable.com/buy and the Nessus Essentials page.
Bottom line
In one line: This is enterprise-grade security tooling with an enterprise price and a learning curve: you need someone who can act on the findings, or you're paying for reports nobody reads.
Best for: security teams that can act on scan findings.
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