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Index › Products › Tenable OT Security · October 2026 Edition
Tenable · 1 category · Ranked

Tenable OT Security

72Judge labels
4First choices
11Negative labels
13 / 14Models named it
1Category
October 2026 Edition. Every number here is derived from the raw labels under vendor table v2026-10.8, every buyer segment counted.
Best standing
4% in OT/IoT security for small business buyers
Rank 7 of 107 in the mid-market standingaccepted challenger
0 of 14 models made it the first choice on the direct prompt; 15% of its 27 labels there were negative.
What the models named instead of Tenable OT Security →
By buyer segmentRead the same way at every buyer size.
In ot/iot security · each standing computed within its segment · bars are 0 to 100 · the accent bar is the product's own best reading

Standing by category

Every category where a model named Tenable OT Security for a mid-market B2B company. Share is first choices across the direct, paraphrase, budget and scale prompts; rank is within every product named in that category.
CategoryFunctionShareRankNegative rateLabelsQuadrantSince September 2026
OT and IoT securitySecurity operations4%7 of 10715%27accepted challenger

Movement

This is the first edition on this tier, so no move can be computed for Tenable OT Security yet. From the next edition this section shows, per buyer segment and per category, whether its share moved by more than the measured noise floor.

By model

How each model treated Tenable OT Security across every prompt where it was named for a mid-market B2B company. Fourteen models, six prompts per category.
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ModelFirst choiceAlternativeMentionNegativeLabels
Claude Haiku 4.501102
GPT-5.4 mini01001
Gemini 3.5 Flash00101
Perplexity Sonar00101
Grok 4.1 Fast00325
Mistral Small10214
DeepSeek V4 Flash10102
Llama 4 Maverick00000
Qwen 3.7 Flash02114
Kimi K202103
GLM 4.7 FlashX00000
MiniMax M2.501102
GPT-6 Luna00000
Muse Glimmer 30B01102

By framing

Which of the six questions produced the naming. By model says how often; this says asked what. The first-choice count on the right carries the marks of the models that produced it.
FramingLabels by classFirst choices
Direct13 labels2
Paraphrase5 labelsNone
Comparative16 labelsNone
Budget-constrained11 labels2
Scale-constrained17 labelsNone
Negative10 labelsNone
First choiceAlternativeMentionNegative72 labels in all, every segment counted; 4 of the 4 first choices count toward share, since the comparative and negative framings do not. The bar is one segment per label class, to scale within the framing.

What the models said for it

Verbatim evidence the judge attached to positive labels.

“frequently cited as a more budget-friendly option compared to some competitors... Start with a free trial or the most affordable commercial platform (like Tenable OT Security or Acreto)” Mistral Small · OT/IoT security · budget prompt · first choice
“Best Overall Value: Tenable OT Security (formerly Tenable.ot)” DeepSeek V4 Flash · OT/IoT security · budget prompt · first choice
“Tenable's Tenable One exposure management platform is a comprehensive attack surface management system covering endpoints, cloud environments, OT systems” Claude Haiku 4.5 · OT/IoT security · direct prompt · alternative
“Complement with vulnerability management such as Tenable OT Security if you need prioritized remediation.” Muse Glimmer 30B · OT/IoT security · paraphrase prompt · alternative

And against it

Verbatim evidence attached to negative labels. A warning on a product with few labels is a warning; on a product with many, it is one voice among them.

“These are IT-security vendors extending into OT. Their effectiveness depends on how well their OT findings integrate with your existing SOC” Mistral Small · OT/IoT security · negative prompt · soft negative
“these vendors risk falling behind peers regarding advanced AI-driven detection capabilities” Qwen 3.7 Flash · OT/IoT security · negative prompt · soft negative
“Tenable.ot has user complaints on asset classification accuracy and sensor bugs” Grok 4.1 Fast · OT/IoT security · negative prompt · soft negative
“often higher cost for full deploys (~thousands+ annually)” Grok 4.1 Fast · OT/IoT security · budget prompt · soft negative

Named alongside

The products named in the same answers as Tenable OT Security, over the 72 answers that named it. Took the first choice instead counts the answers where the other product was the first choice and Tenable OT Security was named but was not.
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ProductSame answerTook the first choice insteadHead to head
Forescout Vistaro Platform25 of 720Not among the top eight
Nozomi9 of 721Not among the top eight
Acreto6 of 721Not among the top eight
A head-to-head page exists where both products are among a category's top eight. The other rows are the same fact without a page behind them, so they link to the product instead.

What carried it into the answer

The sites and pages cited by the answers that named Tenable OT Security. A fact about retrieval, not a lever on the model.

Citations exist only for the models that return a source list, five of the fourteen in this edition, so these counts come from 62 of the 72 answers that named Tenable OT Security and are not a share of its labels.

Domains cited

networkintelligence.ai40
opsiocloud.com35
netwitness.com33
ciopages.com30
sourceforge.net25
us.fitgap.com24
peerspot.com22
fortinet.com21
elisity.com20
gartner.com20

270 of the 270 domain citations in answers naming Tenable OT Security came from somebody else's page.

Pages cited

Pages are listed as the models cited them.

Search and answers

Where Tenable OT Security stands in Google search beside where it stands in the models' answers.
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In search

Google, US estimates
Searches for its name, Google
110 a month (“tenable ot security”)
AI search demand for its name, est.
0 a month
Its own site
It sits on Tenable's site (tenable.com), so there are no site figures for it alone

In answers

This edition
Share of first choices
4%
rank 7 of 107 in ot/iot security
Segment leader
21%
Microsoft Defender for IoT
First choices
4 across its categories
Named in
72 answers
Its own site cited
in 62 of the answers that named it

Search figures are US estimates from DataForSEO, read October 5, 2026; AI search demand is its modeled, directional estimate, not a count of queries to any assistant. The answers are this edition's. Two measurements side by side: neither is read as the cause of the other.

Names read as Tenable OT Security

What the judge wrote, as written, with how often. The vendor table decides that these count as Tenable OT Security; a claim can dispute any of them.
Tenable 8Tenable OT 3Tenable (Tenable OT Exposure) 1Tenable OT Security (formerly Tenable.ot) 1Tenable.ot 1Tenable.ot (formerly Armis) 1Tenable.ot (formerly Indusoft) 1

Follow Tenable OT Security

An email the morning each edition publishes: where this product moved, where it held, and by how much against the noise floor. One address, confirmed by a click; a stop link in every email.

Already following? Everything you follow, with a stop for each.

The company

Tenable is the company behind Tenable OT Security.
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In its own words

Stated by the vendor, not checked
Positioning
Tenable One Exposure Management Platform
For
team di sicurezza OT / responsabili della sicurezza informatica
Customers named
City of RaleighUniversity of MiamiContinental AG
Not stated on the pages read
Price, starting price, free plan or trial, integrations, certifications, hosting

What Tenable OT Security's own pages state, read October 5, 2026: docs.tenable.com/OT-security.htm, it.tenable.com/products/ot-security, jp.tenable.com/data-sheets/tenable-ot, tenable.com/sc-dashboards/ics-asset-detection, tenable.com/solution-briefs/tenable-ot-security. A claimed page can correct any of them.

Is this your product?

Claim this page

Claiming is free and changes nothing in the data. A claimed page shows a verified contact who is told when each edition publishes and when Tenable OT Security's standing changes by more than the noise floor; the right to propose corrections to the vendor table, meaning names the judge wrote that should or should not read as Tenable OT Security, applied by version and listed in the change log; and a one-line description supplied by the vendor and marked as such.

What a new claim receivesHide what a new claim receives

A new claim receives the current edition's vendor brief for Tenable OT Security by email, built from the raw record of the edition. It shows:

  • where Tenable OT Security is named, by buyer and by framing, and which cells hold its first choices;
  • the claims the models make when they name it, ranked, with the strongest and the weakest quoted;
  • its vocabulary against the segment leader's, and the pages the models cited;
  • who was chosen in the answers that did not name Tenable OT Security, and every reason the record gives;
  • a battlecard for each top rival: the head-to-head split, why they win, and the reservation quoted against them;
  • one page of published figures cleared to show a buyer.
The subscriber app

A verification link goes to your work email; an address at tenable.com is approved on the spot, any other is reviewed by hand. Your email is never published. Claiming gives no say over labels, shares, verdicts or which quotes appear.