Index › Products › Tenable Network Scanner · October 2026 Edition

1 category · Named, not ranked

Tenable Network Scanner

1Judge labels

0First choices

1Negative labels

1 / 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.

Standing

1 label, too few to rank

A product needs 10 labels in a category before a share or quadrant is stated. Tenable Network Scanner was named 1 time in NDR, where ManageEngine NetFlow Analyzer led with 21%. The labels and the evidence are below, counted exactly.

By buyer segmentRead the same way at every buyer size.

Small businessnot named

No model named it for this buyer.

Mid-market100 of 102

under the label threshold

Enterprisenot named

No model named it for this buyer.

In ndr · 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 Network Scanner 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.

Category	Function	Share	Rank	Negative rate	Labels	Quadrant	Since September 2026
Network detection and response	Security operations	0%	100 of 102	100%	1	under 10 labels · led by ManageEngine NetFlow Analyzer at 21%

Movement

This is the first edition on this tier, so no move can be computed for Tenable Network Scanner 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 Network Scanner across every prompt where it was named for a mid-market B2B company. Fourteen models, six prompts per category.

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Model	Negative	Labels
Claude Haiku 4.5	0	0
GPT-5.4 mini	0	0
Gemini 3.5 Flash	0	0
Perplexity Sonar	0	0
Grok 4.1 Fast	0	0
Mistral Small	0	0
DeepSeek V4 Flash	0	0
Llama 4 Maverick	0	0
Qwen 3.7 Flash	1	1
Kimi K2	0	0
GLM 4.7 FlashX	0	0
MiniMax M2.5	0	0
GPT-6 Luna	0	0
Muse Glimmer 30B	0	0

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

Direct0 labelsNone

Paraphrase0 labelsNone

Comparative0 labelsNone

Budget-constrained0 labelsNone

Scale-constrained0 labelsNone

Negative1 labelNone

First choiceAlternativeMentionNegative1 labels in all, every segment counted; 0 of the 0 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.

No positive label carried a quote.

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.

“Examples: Older versions of Tenable Network Scanner (Nessus)... Do not rely on these for actual network defense.” Qwen 3.7 Flash · NDR · negative prompt · hard negative

Named alongside

The products named in the same answers as Tenable Network Scanner, over the 1 answer that named it. Took the first choice instead counts the answers where the other product was the first choice and Tenable Network Scanner was named but was not.

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ProductSame answerTook the first choice insteadHead to head

Corelight Open NDR1 of 10Not among the top eight

ExtraHop RevealX1 of 10Not among the top eight

Paessler PRTG Network Monitor1 of 10Not among the top eight

Qualys Passive Module1 of 10Not among the top eight

Snort1 of 10Not among the top eight

Suricata1 of 10Not 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.

Names read as Tenable Network Scanner

What the judge wrote, as written, with how often. The vendor table decides that these count as Tenable Network Scanner; a claim can dispute any of them.

Tenable Network Scanner (Nessus) 1

Follow Tenable Network Scanner

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.

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 Network Scanner'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 Network Scanner, 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 Network Scanner by email, built from the raw record of the edition. It shows:

where Tenable Network Scanner 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 Network Scanner, 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.