Greenbone / OpenVAS vs Tenable:Which is more popular?

In September 2026, Tenable had more branded searches than Greenbone / OpenVAS among vulnerability scanner brands in New Zealand. Tenable had about 30 branded searches, while Greenbone / OpenVAS had 10. Tenable made up 9.1% of all vulnerability scanner brand searches we track, and Greenbone / OpenVAS accounted for 3%. When we asked ChatGPT and Google AI Overviews about vulnerability scanner brands, Tenable appeared in all five answers and Greenbone / OpenVAS in three. Tenable was mentioned before Greenbone / OpenVAS in every answer.

Among vulnerability scanner brands in New Zealand in September 2026

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Top vulnerability scanner brands in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, Tenable appeared in all five answers. Greenbone / OpenVAS was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. Tenable was listed before Greenbone / OpenVAS in every answer.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

How many AI answers named each brand
Brand	ChatGPT	Google	Answers that named it
Tenable	Named in 3 of 3 ChatGPT answers	Named in 2 of 2 Google AI Overviews	5 of 5
Qualys	Named in 3 of 3 ChatGPT answers	Named in 1 of 2 Google AI Overviews	4 of 5
Rapid7	Named in 2 of 3 ChatGPT answers	Named in 1 of 2 Google AI Overviews	3 of 5
Greenbone / OpenVAS	Named in 3 of 3 ChatGPT answers	Named in 0 of 2 Google AI Overviews	3 of 5
ZAP	Named in 0 of 3 ChatGPT answers	Named in 2 of 2 Google AI Overviews	2 of 5

Tenable5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
Qualys4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Rapid73 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Greenbone / OpenVAS3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
ZAP2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers

See every answer about vulnerability scanner brands

5 answers

Asked ChatGPT
“Which vulnerability scanner brand should I use in New Zealand?”
1. 1Tenable
2. 2Qualys
3. 3Rapid7
4. 4Greenbone / OpenVAS
Asked ChatGPT
“What are the best vulnerability scanner brands in New Zealand?”
1. 1Tenable
2. 2Qualys
3. 3Rapid7
4. 4Greenbone / OpenVAS
Asked ChatGPT
“What's the best vulnerability scanner brand in New Zealand for a small security team?”
Searched Google, AI Overview
“best vulnerability scanner”
1. 1Tenable
2. 2Rapid7
3. 3Qualys
4. 4ZAP
Searched Google, AI Overview
“security scanner software”
1. 1Tenable
2. 2ZAP

Brands are shown in the order each answer named them. The survey took place in New Zealand on October 21, 2026.

Is Greenbone / OpenVAS or Tenable more popular in search?

This chart shows how often people search Google for Greenbone / OpenVAS and Tenable by name. Each line represents a brand's share of searches for all five vulnerability scanner brands we track, month by month, from searches in New Zealand.

Greenbone / OpenVAS and Tenable among vulnerability scanner brands in New Zealand, by month

Month	ZAP	Qualys	Rapid7	Tenable	Greenbone / OpenVAS
Oct 2025	26.2%	26.2%	40.5%	4.8%	2.4%
Nov 2025	30.6%	30.6%	30.6%	5.6%	2.8%
Dec 2025	20%	36%	36%	8%	0%
Jan 2026	31%	31%	24.1%	10.3%	3.4%
Feb 2026	21.2%	33.3%	33.3%	9.1%	3%
Mar 2026	31.1%	31.1%	31.1%	6.7%	0%
Apr 2026	21.9%	28.1%	34.4%	12.5%	3.1%
May 2026	26.5%	26.5%	32.4%	11.8%	2.9%
Jun 2026	25.6%	32.6%	25.6%	14%	2.3%
Jul 2026	32.4%	26.5%	20.6%	17.6%	2.9%
Aug 2026	33.3%	27.3%	27.3%	9.1%	3%
Sep 2026	33.3%	27.3%	27.3%	9.1%	3%

How has the Greenbone / OpenVAS and Tenable comparison changed over the last 12 months?

3 findings

Tenable was ahead of Greenbone / OpenVAS in every measured month of the 12 months ending September 2026.
Across the 12 months ending September 2026, Greenbone / OpenVAS’s share of searches among vulnerability scanner brands in New Zealand moved from 2.4% to 3%, and its estimated monthly branded searches held steady at 10.
Across the 12 months ending September 2026, Tenable’s share of searches among vulnerability scanner brands in New Zealand moved from 4.8% to 9.1%, and its estimated monthly branded searches moved from 20 to 30.

How did search popularity change for New Zealand vulnerability scanner brands in September 2026?

1 change

Estimated monthly branded searches for Tenable in New Zealand rose 50% over 12 measured months, from 20 to 30 in September 2026.

How are branded searches counted?

3 search terms

Brandwave collects information about searches that people make online using Greenbone / OpenVAS’s and Tenable’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.